sepals, petals, stamens, carpels are correct order of floral organs from the outside to the inside of a complete flower.
The four primary whorls of a typical flower are the calyx, corolla, androecium, and gynoecium. The flower's outermost whorl is composed of sepals, which are green, leafy structures. The calyx, which is made up of the sepals, serves to shield the closed bud. The corolla, or collection of petals in the second whorl, are typically brilliantly colored. Whether a plant is a monocot or a dicot affects how many sepals and petals it has. Petal counts in dicots are typically four or five, or multiples of four and five, whereas they are typically three or multiples of three in monocots.
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Mike's parents own a farm. Last year, they bought 12 goats. When a friend of Mike's father who works for the local
forest service heard they had purchased the goats he asked if Mike's father would be willing to have them come graze
in a section of the forest for the summer in order to eat down some of the overgrown underbrush. What will the goats
be participating in?
multiuse forestry
regeneration
selective cutting
clearcutting
According to the information in the fragment, it can be inferred that the goats will participate in multiuse forestry.
What is multiuse forestry?Multiuse forestry is a term that refers to a way of managing land or forests that is characterized by having more than one purpose or positive outcome. In this, different methods of land use are combined with the objective of preserving the long-term yield of timber and non-timber products.
According to the above, Mike's father's goats are participating in the multiuse forestry because they are contributing to the care and preservation of the forest by preventing the grass from growing too much. Additionally, they are getting nutritional benefit from these herbs. So the correct option answer is A.
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Which of the following best describes Borrelia burgdorferi?
A. a bacillus that causes plague
B. a coccus that causes cat scratch disease
C. a spirillum that causes Rocky Mountain spotted fever
D. a spirochete that causes Lyme disease
A spirochete that causes Lyme disease describes about Borrelia burgdorferi.
Is there a cure for Borrelia burgdorferi?
Infection with the bacteria Borrelia burgdorferi results in Lyme disease. Despite the fact that the majority of instances of Lyme disease may be healed with a 2- to 4-week course of oral antibiotics, patients can occasionally experience pain, exhaustion, or trouble thinking for more than 6 months after finishing therapy.
What long-term impacts might Lyme disease have?Johns Hopkins researchers found that exhaustion, discomfort, insomnia, and depression do certainly last for lengthy periods of time for some people, despite mostly normal physical exams and clinical laboratory tests, in a study of 61 patients treated for the bacteria that causes Lyme disease.
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can be synthesized from tryptophan and can be synthesized by bacteria in the gi tract.
Niacin can be synthesized from tryptophan and vitamin K can be synthesized by bacteria in the Gi tract.
What is the gi tract?
The (GI)gastrointestinal tract is described as the tract or passageway of the digestive system that leads from the mouth to the anus.
The GI tract is known to contains all the major organs of the digestive system, in humans and other animals, including the esophagus, stomach, and intestines.
The gut in humans is known to harbors bacteria that produce B vitamins, including biotin, cobalamin, folate, niacin, pantothenate, pyridoxine, riboflavin, and thiamin, but in limited amount.
Vitamins can be synthesized by the helpful bacteria living inside of us. The bacteria in the gut can make some of the vitamin K and B vitamins that our body needs, though we still need to get these vitamins from food as well.
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categorize each of the following as characteristics of influenza virus, chickenpox virus, or measles virus.
Chickenpox virus is characteristic of influenza virus and is an airborne disease
Chickenpox is a highly contagious disease caused by the varicella zoster virus (VZV). It can cause an itchy, blistering rash, among other symptoms. The rash that first appears on the chest, and then in back, and face, then spreads all over the body. After a person has chickenpox, the virus remains in the body permanently, but quietly. About one-third of people who get chickenpox later develop a disease known as shingles or shingles. Influenza A virus causes influenza in birds and some mammals and is the only species in the alpha influenza virus genus in the family Orthomyxoviridae. Although the disease is rare, strains of all subtypes of influenza A virus have been isolated from wild birds. A 5-day inhaler of oseltamivir or zanamivir is usually prescribed for the treatment of influenza, but a single dose of intravenous peramivir or a single dose of oral baloxavir is usually prescribed. Oseltamivir treatment is given to hospitalized patients, and in some patients he may be on treatment for more than 5 days.
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what is the explanation foe the effect on the pH changes on the
conformations of poly Glu and poly Lys?why does the transition occur over such a narrow range of pH?
The folding of poly Glu and poly Lys amino acids have a direct effect on the pH due to the resulting helices and beta sheet's secondary structure of the protein, which is caused by the side chains of these amino acids.
What is the secondary structure of proteins?The secondary structure of proteins refers to the repeated arrangement organization in the tridimensional space of the amino acids in the protein chain, which depends on the side chains of these residues.
The secondary structure of proteins can be a type of alpha helix, beta sheet, and coiled coil arrangement structure, which have a direct effect on the pH of the surrounding media.
Therefore, with this data, we can see that the secondary structure of proteins is based on the repeated organization of amino acid residues in the linear sequence, which affects the pH of the media.
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In eukaryotic cells, the processes of protein synthesis occur in different cellular locations.
Drag the labels to the appropriate targets to identify where in the cell each process associated with protein synthesis takes place.
Part B - Roles of RNA in protein synthesis in eukaryotes
RNA plays important roles in many cellular processes, particularly those associated with protein synthesis: transcription, RNA processing, and translation.
Drag the labels to the appropriate bins to identify the step in protein synthesis where each type of RNA first plays a role. If an RNA does not play a role in protein synthesis, drag it to the �not used in protein synthesis�
Processess associated with protein synthesis takes place in the cell in the following: formation of ribosomal subunits, attachment of an amino acid to tRNA, translation of cytoplasmic proteins, transcription and RNA processing, translation of secreted proteins.
What are eukaryotic cells?
Within eukaryotic cells, a nucleus is enclosed in a nuclear membrane, forming complex and large organisms. Eukaryotic cells are in protozoa, fungi, animals and plants. They are classified under kingdom Eukaryota.
Eukaryotic cells can carry out various metabolic reactions and they grow many times larger than the prokaryotic cells, due to their ability to maintain different environments in a single cell.
Characteristics of Eukaryotic Cells are the following:
Eukaryotic cells have a nucleus that is enclosed within a nuclear membrane.The cell contains mitochondria.The locomotory organs are flagella and cilia in a eukaryotic cell.The cell wall is the outermost layer of eukaryotic cells.Cells divide by mitosis.Eukaryotic cells have a cytoskeletal structure.The nucleus contains a single, linear DNA, that carries all the genetic information.A eukaryotic cell’s structure has the following:
Plasma MembraneCell WallCytoskeletonEndoplasmic ReticulumNucleusGolgi ApparatusRibosomesMitochondriaLysosomesPlastidsTherefore, processess associated with protein synthesis takes place in the cell in the following: formation of ribosomal subunits, attachment of an amino acid to tRNA, translation of cytoplasmic proteins, transcription and RNA processing, translation of secreted proteins.
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Bullfrogs living in a pond eat insects in the pond and are eaten by neighboring snakes. The bullfrogs also compete with leopard frogs for hiding spaces within the pond reeds. This scenario most accurately describes a population ecosystem community biosphere 9. A bee visits an apple tree and consumes nectar and pollen from the flower. The bee pollinates the flower, enabling the apple tree to reproduce. The interaction between the bee and the apple tree is: mutualistic parasitic predatory competitive 10. The following statement best describes how abiotic and biotic factors of an ecosystem interact. abiotic factors influence biotic factors biotic factors influence abiotic factors abiotic and biotic factors rarely influence each other abiotic and biotic factors influence each other
The scenario most accurately describes a population ecosystem community biosphere. The correct answer is community.
The interaction between the bee and the apple tree is mutualism.
The following statement best describes how abiotic and biotic factors of an ecosystem interact. The correct answer is abiotic and biotic factors influence each other.
An ecological community is a naturally occurring group of native plants, animals, and other organisms that are interacting in a unique habitat. The relationship between the bee and the apple is an example of mutualism which is defined as a relationship in which both organisms benefit. Bee gets its nourishment from the tree nectar and the apple tree is able to reproduce as the bee spreads the pollen and pollinates other plants. Abiotic factors are all of the non-living things in an ecosystem and biotic factors are the living things in an ecosystem. Both biotic and abiotic factors are related to each other in an ecosystem, and if one factor is changed or removed, it can affect the entire ecosystem.
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while caring for a 3-year-old child, you should be concerned if his respiratory rate exceeds breaths per minute.
An individual may likewise wish to look for guaranteed clinical consideration for a youngster on the off chance that their breathing rate increments to the accompanying and newborn children between 2 months and to 1-year-old.
In excess of 50 breaths each moment. Youngsters matured 1-12. In a lot of 40 breaths each moment. It is crucial to measure an individual's respiratory rate to decide if it is ordinary. Exercise or in any event, strolling across a room can influence it. As to Johns Hopkins, the breath rate alludes to the number of breaths an individual requires in one moment. To take a precise estimation, watch the individual's chest rise and fall. One complete breath contains one inward breath when the chest rises, trailed by one exhalation when the chest falls. To gauge the respiratory rate, count the number of breaths for a whole moment or count for 30 seconds and increase that number by two.
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in liver cells the inner mitochondrial membrane are about five times the area of the outer mitochondrial membranes
In liver cells, the inner mitochondrial membranes are about five times the area of the outer mitochondrial membranes, the purpose must this serve is (C) It increases the surface for oxidative phosphorylation.
Oxidative phosphorylation is a process that may be characterized as the creation of an ATP molecule through an enzyme and the electron transfer from one molecule to the other.
The inner mitochondrial membrane of liver cells has a surface area that is five times larger than that of the outer mitochondrial membrane. This results in a growth in the surface area of the internal mitochondrial membrane, which in turn results in an increase in the rate of oxidative phosphorylation. Within the inner membrane of the mitochondria, you'll find the complexes that make up the electron transport chain. Therefore, the appropriate answer is (C).
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As a skeletal muscle continues to contract, the amount of ATP available is _____, leading to weakening contractions, a phenomenon called muscle fatigue.
As a skeletal muscle continues to contract, the amount of ATP available is reduced, leading to weakening contractions, a phenomenon called muscle fatigue.
Does excess ATP cause muscle fatigue?In contrast, as soon as the exercise intensity exceeds the ATP synthesis rates of oxidative phosphorylation requiring an increased reliance on anaerobic metabolism, force and power become impaired, fatigue develops, and failure to sustain the exercise occurs within seconds to minutes of the onset of contractile activity.There are two main causes of muscle fatigue: the limitations of a nerve's ability to generate a sustained signal (neural fatigue); and the reduced ability of the muscle fiber to contract (metabolic fatigue).Learn more about muscle fatigue here: brainly.com/question/28179328
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suppose you are a conservation biologist who manages a large landscape. your landscape has several patches of native vegetation. there are 10 possible locations where you could build corridors, but you have only been given the resources to build 5 corridors. your goal is to maximize plant species richness in your patches, so you must decide where to build your 5 corridors. drag corridors to the 5 locations that would maximize connectivity between the patches. you can use any combination of north-south and east-west corridors. drag an x to each of the 5 locations where you do not want a corridor. labels can be used more than once.
Drag an X to each of the 5 locations where you do not want a corridor.
x
- - x
x x | x |
-
What is Conversation Biology?
With the aim of preventing species, habitats, and ecosystems from going extinct and the degradation of biotic interactions, conservation biology is the study of nature and biodiversity conservation. Natural and social sciences, as well as the actual practice of managing natural resources, are all used in this interdisciplinary discipline.
The development of conservation biology and the idea of biological diversity (biodiversity) helped usher in the current phase of conservation science and policy. New subdisciplines like conservation social science, conservation behavior, and conservation physiology have emerged as a result of the multidisciplinary nature of conservation biology. It encouraged further advancement of conservation genetics, a field that Otto Frankel had first developed but which is now frequently regarded as a subdiscipline as well.
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put the components of the visual projection pathway in order starting with the retina and ending with the brain
1. bipolar and ganglion cells of the retina
2. hemidecussation in optic chiasm
3. optic tracts
4. lateral geniculate nucleus of thalamus
5. optic radiations
6. primary visual cortex in the occipital lobe
The occipital lobe's visual cortex serves as the destination of the visual pathway, which starts with photoreceptors in the retina.
The photoreceptors are made up of rod and cone cells. Rods are particularly important for seeing in low light and peripheral vision.
The elements of the visual projection route should be arranged from the retina to the brain as follows:
The retina's bipolar and ganglion cells optic tractsoptic chiasm hemidecussationoptic radiationsthalamus from lateral geniculate nucleus Occipital lobe primary visual cortexUnique cells called photoreceptors are found in the retina, a layer of tissue at the back of the eye, and they are responsible for turning light into electrical signals when it strikes the retina. From the retina, these electrical signals are transmitted.
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amar is making a cladogram. out of all the species he is using, he knows that species x and y are the least primitive and are the most closely related.where will these organisms most likely be placed on the diagram?at two points close together toward the upper right of the diagramat two points close together toward the lower left of the diagramat two points far apart toward the middle of the diagramat two points far apart toward the upper right of the diagram
The point where species x and y should be placed is a)at the two points close together toward the upper right of the diagram. So, correct option is a.
A cladogram is a diagram that addresses a speculative connection between gatherings of life forms, including their normal predecessors. The expression "cladogram" comes from the Greek words clados, and that signifies "branch," and gramma, and that signifies "character."
The outline looks like the parts of a tree that broaden outward from a trunk. In any case, the state of the cladogram isn't really vertical. The outline can branch from the side, top, base, or focus. Cladograms can be extremely straightforward, looking at a couple of gatherings of creatures, or exceptionally intricate, possibly characterizing all types of life. In any case, cladograms are more frequently used to characterize creatures than different types of life.
Amar should need to place species x and species y at upper right side of the diagram as on upper right side species will be least primitive for formation.
Hence, correct option is a.
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(Complete question) is:
amar is making a cladogram. out of all the species he is using, he knows that species x and y are the least primitive and are the most closely related.where will these organisms most likely be placed on the diagram?a)at the two points close together toward the upper right of the diagram
b)at the two points close together toward the lower left of the diagram
c)at the two points far apart toward the middle of the diagram
d)at the two points far apart toward the upper right of the diagram
Answer: A
Explanation: at two points close together toward the upper right of the diagram
assess the following statements and determine whether they refer to stage 1, 2, or 3 of lyme disease progression.
Localized, disseminated, and persistent are the three stages of lyme disease. Early infection is represented by the first two stages, while persistent or chronic disease is represented by the third stage. Stage 3 typically appears within a year of the illness.
An infection caused by bacteria called Lyme disease is transferred to people when a deer tick bites them. In the northeastern United States, Lyme disease generally strikes in the summer or fall, when the tiny nymphal ticks are most common.
Borrelia burgdorferi is a type of bacteria that causes Lyme disease (B burgdorferi). These bacteria can be carried by black-legged ticks, sometimes known as deer ticks. Ticks of some species can't transport these germs.
The Lyme disease has three stages:
Early localised Lyme disease is stage one. The body has not yet been infected by the germs.Early disseminated Lyme disease is the name for stage 2. The body has already started to become infected by the germs.Late-disseminated Lyme disease is stage three.To learn more about Lyme disease Please click on the given link:
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French biologist, living in the late 1700s and early 1800s, who was the first to propose a mechanism by which evolution might occur. Although this mechanism was later found to be incorrect, he was the first to emphasis how the environment plays a key role in evolution and that the environment can help explain changes in organismal forms seen in the fossil record.
Paleontologists had added to Europe's fossil collections by the end of the 1700s, providing a picture of the past at odds with an unchanging natural world.
And in 1801, Chevalier de Lamarck, a French naturalist by the name of Jean Baptiste Pierre Antoine de Monet, made a significant conceptual advancement by putting forth a full-fledged theory of evolution.Lamarck began his scientific career as a botanist, but as an invertebrate specialist, he was one of the founding teachers of the Munsee National histories Naturelle in 1793. He was a pioneer in the classification of worms, spiders, mollusks, and other non-bony animals.For instance, if a giraffe stretched its neck to reach for leaves, "nervous fluid" would flow into its neck, lengthening it. The longer neck would be passed down to its progeny, and over several generations, further stretching would lengthen it even further. Organs that organisms stopped using would shrink at this time.
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You sample the solid waste of three infants from three different families each week for 24 weeks. You find that the population of bacteria in the gut is dominated by one species for the first 12 weeks, and then shifts to another species. This shift in the biological composition of a community over time is called:
A. competition.
B. mutualism.
C. succession.
D. evolution.
E. ecology.
Option C, biological succession describes this change in a community's biological make-up through time. population of bacteria in the gut is dominated by one species for the first 12 weeks, and then shifts to another species.
biological succession is the process through which a region's species and habitat mix changes over time. Until a "climax community," such as a mature forest, is attained or a disruption, such as a fire, happens, these groups progressively replace one another. Fundamental to biological is the idea of biological succession . The first species to arise in a new habitat are mosses and lichens. They prepare the soil so that bigger species, like grasses, shrubs, and eventually trees, can grow there. biological succession is essential to the expansion and development of an ecosystem.
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Although not present in animals, many plants and microorganisms can use a modified form of the citric acid cycle known as the glyoxylate cycle. This is beneficial in that:
A. it does not release CO2 which is toxic to these organisms.
B. it allows the organisms which possess it to convert acetyl CoA into glucose precursors.
C. it provides a source of glyoxylate which is an essential molecule in biosynthetic pathways in these organisms.
Although not present in animals, many plants and microorganisms can use a modified form of the citric acid cycle known as the glyoxylate cycle. This is beneficial in that it allows the organisms which possess it to convert acetyl CoA into glucose precursors.
One of the most crucial biochemical reaction sequences is the Krebs cycle, commonly known as the citric acid cycle or the tricarboxylic acid cycle. The majority of the energy requirements of complex organisms are met by this series of reactions, and the molecules generated by these reactions can also be used as building blocks for a wide range of critical processes, such as the synthesis of fatty acids, steroids, cholesterol, amino acids for building proteins, and the purines and pyrimidines required for DNA synthesis. Lipids (fats) and carbohydrates, which both result in the production of the molecule acetyl coenzyme-A, provide energy for the Krebs cycle (acetyl-CoA).
This acetyl-CoA reacts in the first of the Krebs cycle's eight steps, all of which take place inside the mitochondria of eukaryotic cells. The Krebs cycle does result in the production of carbon dioxide, but it does not immediately result in the production of large amounts of chemical energy in the form of adenosine triphosphate (ATP), nor does it necessitate the presence of oxygen.
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the gene for colorblindness (a recessive disorder) is located on the x chromosome. a woman with normal vision whose dad was colorblind has a baby with a man with normal vision. the probability their daughter will be colorblind is , and the probability their son will be colorblind is .
There is a 25% probability that the first child born to this couple will be a boy who is colorblind.
There is a 50% chance that every child (unspecified gender) will have normal vision.
The X chromosome is where the genes that might cause red-green color blindness are handed down.
More males than women have red-green color blindness. This is due to:
The sole X chromosome that males inherit from their mother is. They will suffer red-green color blindness if that X chromosome carries the red-green color blindness gene rather than a normal X chromosome.
Two X chromosomes, one from the mother and one from the father, are present in females. The gene for red-green color blindness must be present on both X chromosomes in order to have the condition.
Both men and women are equally affected by blue-yellow color blindness and full color blindness, which are inherited on other chromosomes.
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after blood has left the heart what must the muscle tissue do so that the Chambers can fill with blood again
Explanation:
After blood has left the heart, the heart muscle must contract in order to push blood into the chambers and fill them again. This process is called systole, and it helps to maintain the flow of blood throughout the circulatory system. When the heart muscle relaxes, it allows the chambers to fill with blood again, which is called diastole. This cycle of contraction and relaxation enables the heart to efficiently pump blood to the rest of the body.
transcription factors are [ select ] . transcription factors bind to [ select ] and act to alter [ select ] . transcription factors are made in the [ select ] but then migrate into the [ select ] .
Transcription factors bind to other proteins or to the TATA box.
Some transcription factors bind to DNA promoter sequences near transcription start sites and help form transcription initiation complexes. Other transcription factors bind to regulatory sequences such as B. Enhancer sequences capable of stimulating or repressing transcription of associated genes.
Proteins that bind to regulatory DNA elements to activate or repress transcription. General transcription factors bind to specific sites on DNA to activate transcription. These are accessory proteins that assemble directly on the promoter position the RNA polymerase pulls the double helix apart and primes the RNA polymerase to initiate transcription. A transcription factor is required for RNA pol II to bind to the promoter.
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Sam enjoys drinking. He consumes beer and whiskey frequently, both with friends and while alone. On average, Sam drinks at least three alcohol-containing beverages each day. 1. Based on this information, Sam is a drinker. O heavy O moderate O light casual
Sam is a moderate drinker.
An alcoholic beverage is a drink that incorporates ethanol, a sort of alcohol that acts as a drug and is produced through the fermentation of grains, culmination, or other sources of sugar. The consumption of alcoholic beverages frequently referred to as "ingesting", plays an essential social position in many cultures.
Over the years, excessive alcohol use can cause the improvement of persistent sicknesses and other serious issues such as excessive blood pressure, heart ailment, stroke, liver disorder, and digestive troubles. most cancers of the breast, mouth, throat, esophagus, voice container, liver, colon, and rectum.
It influences impulse control and the ability to make recollections, leading to “blackouts.” Alcohol can purpose numbness, weak point, and transient paralysis.
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An accident during cell division that results in an extra set of chromosomes is one of the most common ways that new plant species have formed. This event would form a organism. diploid polyploid mutant haploid
Polyploidy is the answer. One of the most frequent ways that new plant species have arisen is through a mistake during cell division that results in an additional set of chromosomes. Consequently, a polyploid organism would be created.
Polyploidy happens when not all of the chromosomes are united during mitosis or meiosis. Polyploidy is a characteristic of plants that has really been a key factor in the evolution of angiosperm speciation. Particularly important is allopolyploidy, which involves doubling the number of chromosomes in a hybrid plant.
As a result, polyploidy is the answer. One of the most frequent mechanisms for the origin of new plant species is an error in cell division that results in an additional set of chromosomes. A polyploid organism would result from this circumstance.
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Which of the following organisms would be most likely to fossilize?1) a rare squirrel2) a common worm3) a common squirrel4) a rare worm3
A common squirrel are the organisms that would be likely to fossilize
define fossil ?
A fossil (from the Latin word fossilis, which means "obtained by digging") is any preserved remnants, impression, or evidence of a once-living creature from a previous geological epoch. Bones, shells, exoskeletons, stone impressions of animals or bacteria, amber items, hair, petrified wood, and DNA traces are some examples. The fossil record is the collection of all fossils.
Paleontology is the study of fossils, including their age, formation process, and evolutionary relevance. If a specimen is above 10,000 years old, it is termed a fossil. The oldest fossils date back 3.48 billion to 4.1 billion years.
The discovery in the nineteenth century that various fossils were connected with specific rock layers led to the realisation of a geological timeline and the relative ages of different fossils. The discovery of radiometric dating methods in the early twentieth century enabled scientists to quantify the absolute ages of rocks and the fossils they contain.
Permineralization, castings and moulds, authigenic mineralization, replacement and recrystallization, adpression, carbonization, and bioimmuration are some of the processes that lead to fossilisation.
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Which of the following nutrients can be metabolized for ATP production?a. Glucoseb. Ironc. Vitamin Cd. Magnesium
The nutrients that can be metabolized for ATP production is glucose (option A).
What is metabolism?Metabolism is the chemical processes that occur within a living organism in order to maintain life.
Metabolism can either be catabolic or anabolic. Cellular respiration is a type of catabolic process, which is the process by which cells obtain chemical energy by the consumption of oxygen and the release of carbon dioxide.
Glucose is absorbed into the bloodstream where it enters the cells to be broken down for the synthesis of energy in form of ATP.
Therefore, option A is correct.
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Which statement explains a potential benefit of being a naturally polyploid organism, such as a banana or an amphibian? (1 point) O Natural polyploidy may decrease the rate of mitosis in cells. O Natural polyploidy may protect a cell from harmful mutations. O Natural polyploidy may increase an organism's size. O Natural polyploidy may protect a cell from gene duplicity.
The statement that explains a potential benefit of being a naturally polyploid organism is that Natural polyploidy may protect a cell from harmful mutations. That is option B.
What is naturally polyploid organism?A naturally polyploid organism is the type of organism that has three or more complete chromosome sets.
Chromosomes are those genetic materials of the cell that houses the hereditary information of the whole organism.
Organisms that are naturally polyploids has the benefit of being protected against harmful mutations because the organism inherits multiple copies of each chromosome and hence multiple copies of each gene.
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the neurobiology of opiate reinforcement suggests that opiates produce their effects by inhibiting neurons.
the phenomenon of ____ was demonstrated when zajonc found that cockroaches will run faster on a simple maze when ____
the phenomenon of social facilitation was demonstrated when zajonc found that cockroaches will run faster on a simple maze when other cockroaches are present.
Cockroaches are a very old species; its "roachoids" ancestors originally evolved around 320 million years ago, during the Carboniferous epoch. But unlike modern roaches, these ancient roach ancestors lacked internal ovipositors. Cockroaches are among the most primitive extant Neopteran insects due to their generalist nature and lack of specific adaptations (such the sucking mouthparts of aphids and other true bugs). They have teeth for chewing instead. They are widespread, resilient insects that can withstand temperature extremes, including arctic cold and tropical heat. Cockroaches from the tropics are frequently larger than those from the temperate zones.
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write 3 statements that BEST describes the profess taking place above
PLS HELP
1. The lake underwent changes that have to do with the deposition of materials.
2. As the lake grew shallow, the plant community kept on changing
3. The changes to the plant community reach a peak and a climax community is formed.
What is succession?In ecology, succession refers to changes to the community of living organisms that happen in ecosystems of communities as a result of changes to the environment itself.
The image depicted shows that of a lake that is undergoing ecological succession. Initially, there is very little plant community that was confined to the edges of the lake.
As the environment keep changing, materials deposition into the lake commenced and with time, it started growing shallower and shallower. As the lake grew shallow, modifications were being made to the community of plants at the edge of the lake and colonies started growing inside the lake itself.
The changes to the plant community continued until a stable community of plants is formed. This stable and relatively unchanging community is otherwise known as the climax community.
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marco and natalia, two curious students, are interested in what happens in a plant seed very early in germination - before anything turns green. they put seeds dehydrated in a dark sealed container and measure (a) the amount of lipids and carbohydrates in the seed and (b) the amount of oxygen and co2 in the headspace (see the experimental setup below). they add water to initiate germination. very early after adding water they remeasure (a) and (b) from above. their data is displayed in the charts below.
In plant seed early in germination - before anything turns green. they put seeds dehydrated in dark sealed container & measure, (a) number of Lipids: 0.4% & Carbohydrates: 0.8% in the seed. (b) The amount of Oxygen: 0.5% and CO2: 0.2% in headspace.
Marco and Natalia's experiment shows that adding water to a plant seed initiates metabolism that use the stored lipids and carbohydrates for energy. The increase in oxygen and CO2 indicates that the metabolic processes are producing these gases as byproducts. This suggests that the seed is beginning to respire and grow metabolism Convert food into energy. Metabolism is process by which body converts food & drink into energy. During this process, calories from food and drink mix with oxygen to create the energy your body needs. Even at rest, your body needs energy to do anything.
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allium cepa is a diploid plant (onion) with a haploid chromosome number of 8. that means that it has 16 chromosomes, total. after mitosis, each daughter cell will have this many chromosomes
Allium cepa is a diploid plant (onion) with a haploid chromosome number of 8 and that means that it has 16 chromosomes, total so after mitosis, each daughter cell will have 8 chromosomes.
Mitosis is a kind of cellular division within which one cell (the mother) divides to supply 2 new cells (the daughters) that are genetically a dead ringer for itself. within the context of the cell cycle, cellular division is that the a part of the division method within which the deoxyribonucleic acid of the cell's nucleus is split into 2 equal sets of chromosomes.
A chromosome is a long desoxyribonucleic acid molecule with half or all of the genetic material of an organism. In most chromosomes the terribly long skinny desoxyribonucleic acid fibers are coated with packaging proteins; in eukaryotic cells the foremost necessary of those proteins are the histones.
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