Which of the following statements is true of the food web pictured?
The statement that is true about the food web in the picture is that the deer is a primary consumer. That is option C.
What is a food web?A food web is defined as the representation of various food chains that are associated with each other at various levels.
The food web is different from a food chain because a primary consumer can have more that one secondary consumer.
From the given picture, the squirrel is a primary consumer which is being eaten by two secondary consumers such as the vulture and the tiger.
Also from the picture, the deer is a primary consumer because it feeds directly on primary producers such as the scrubs.
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tropical environments on land are well known for their abundant life; rain forests are an example. by contrast, biological productivity in tropical oceans is meager. why is this the case?
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What is a substance that inhibits the growth of microorganisms on living tissue?.
What does it mean when a planet is in a star's habitable zone?
A- It has oxygen in its atmosphere.
B-It has a day-night cycle and a seasonal cycle that resembles Earth's.
C-It has the right temperature to have liquid water.
D- it has signs of life
When a planet is in a star's habitable zone It has the right temperature to have liquid water.
The correct option is C.
Where is the habitable zone?The orbital region around a star known as the habitable zone is where an Earth-like planet would be able to support life and have liquid water on its surface. Since liquid water is necessary for all life on Earth, it is assumed that alien life would also require it for defining a habitable zone.
What is the Earth's habitable zone?For water to continue to be a liquid, the distance at which Earth orbits the Sun is ideal. The habitable zone, sometimes known as the Goldilocks zone, is defined as being this far from the Sun. Rocky exoplanets located in their stars' habitable zones are better candidates for detection of liquid water on their surfaces.
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features of polycystic ovary syndrome (pcos) in women with functional hypothalamic amenorrhea (fha) may be reversible with recovery of menstrual function. au carmina e, fruzzetti f, lobo ra so gynecol endocrinol. 2018;34(4):301. epub 2017 oct 27.
Irregular periods or no periods at all are the features of polycystic ovary syndrome (pcos) in women with functional hypothalamic amenorrhea
Since functional hypothalamic amenorrhea (FHA) patients have been found to have a high prevalence of polycystic ovary syndrome (PCOS) symptoms, we sought to find out what happens to these symptoms when menstrual function returns in FHA patients. Study design: prospective cohort. The study included 28 FHA patients and 30 ovulatory controls who were age-matched. The study included 28 FHA patients and 30 ovulatory controls who were age-matched. Transvaginal ultrasound was used to evaluate body mass index, serum estradiol, LH, FSH, testosterone, DHEAS, and anti-Mullerian hormone (AMH). RÉSULTATS At baseline, 12 of the 28 women (43%) had elevated AMH (>4.7 ng/mL), greater testosterone, and larger ovaries than the other 16 women with normal AMH.
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Is a bumblebee biotic or abiotic?
Answer: biotic
Explanation: :)
PLSSS HELPP
True or False. Prokaryotic cells have a membrane bound nucleus for their genetic information.
Answer:
no please
Explanation:
prokaryotic cells do not have and nuclear bound membrane but have nuclear particles like 70s ribosomes
there are two pathways that can be activated by the coagulation process. one pathway begins when factor xii is activated. the other pathway begins when there is trauma to a blood vessel. what are these pathways?
There are two pathways that can be activated by the coagulation process. One pathway begins when factor xii is activated. the other pathway begins when there is trauma to a blood vessel. These pathways are called Extrinsic and intrinsic pathways.
Extrinsic and intrinsic pathways are two prominent pathways of apoptosis or blood coagulation.
The extrinsic pathway affects the health of a person in a certain way and also has a significant impact on decision-making.
Extrinsic pathway consists of plasma factors called FVII or FVIIa which are present around blood vessels in adventitial cells and began the process of blood clotting.
On the other hand, several plasma protein factors called IX, XI, and XII are present along with kininogen that initiates the blood coagulation process when a blood vessel gets injured.
In general, the overall process involved in these pathways is particularly responsible for the coagulation of blood.
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When growing living cells in test tubes, biologists are very careful to use a solution known as Ringer's solution. Why is it important that Ringer's solution has a salt concentration. on h exactly equal to body and cellular fluids?
Ringer's solution has a salt concentration exactly equal to body and cellular fluids in order to provide isotonicity to the living cells.
What is Ringer's solution ?Ringer's solution is a mixture of several salts dissolved in water to produce an isotonic solution similar to an animal's bodily fluids. Typically, Ringer's solution includes sodium bicarbonate, potassium chloride, calcium chloride, and sodium chloride, with the last two being used to balance the pH.
For bacteria, ringer solution keeps the osmotic equilibrium in check. It is used to prepare samples and other biological stuff for suspension in dilution techniques for counting. Additionally, it is utilized in the rinse arnd swab method of microbiological management of equipment.
Hence, Ringer's solution is the most preferred solution to provide isotonicity.
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Answer:
Explanation:
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treppe is the phenomenon that results in . treppe is the phenomenon that results in . a progressive increase in the force generated with repetitive stimulation maximal force production by a skeletal muscle motor unit recruitment an increase in the stimulation frequency
Treppe refers to the graduated increase in contractions caused by the exposure of the muscle to several identical stimuli. Option A is correct. A progressive increase in the force generated with repetitive stimulation
What is treppe?
When several identical stimuli are applied to a resting muscle, they generate a series of contractions that increase gradually.
Treppe is the gradual increase in muscle contraction as it is constantly exited by these repeated stimuli.
Treppe results in more forceful contractions.
Option A is correct. A progressive increase in the force generated with repetitive stimulation
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Even when a muscle is at rest, it still has some degree of tension. This small amount of tension produces what is known as ______.
Even when a muscle is at rest, it still has some degree of tension, This small amount of tension produces is known as muscle tone.
What is muscle tone and how the muscle is at rest and still in tension?Muscle have a large significance in our whole human physiology and body mechanism which collectively guards.Here in the muscle is at rest that clearly means it is not under any activity.The muscle contraction and relaxation property is best explained by sliding filament theory.The muscle tone is equivalent to skinned skeletal fibres which lead to the development of tension in muscle.Hence the muscle can be at rest and it still has some degree of tension and this small amount of tension produced is called muscle tone.To know more about muscle visit:
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if you were working in a cave and discovered an unusual carnivorous plant, what might this plant lack at the cellular level yet still be able to survive by using carnivory? * 4 points a. e r b. nucleus c. mitochondrion d. chloroplast e. peroxisome
The unknow carnivorous plant discovered in the cave is lack of chloroplast at the cellular level to survive by using carnivory.
What is Carnivorous Plant?Carnivorous plants, often known as insectivorous plants, are any plants that have evolved unique pitfalls and traps for the purpose of trapping and digesting insects and other animals. Across multiple families and orders, carnivory in plants has independently evolved roughly six times. The more than 600 species of known carnivorous plants are a tremendously diverse group with, in some cases, only their carnivorous behavior in common.
The most peculiar adaptations of any plant species to low-nutrient settings are those of carnivorous ones. These plants capture and consume numerous invertebrates, and sporadically even small frogs and animals, in order to gain some nutrition. Some people refer to carnivorous plants as being "insectivorous" since one of their most popular prey items is insects.
It is not unexpected that bogs and fens, where nutrient concentrations are low yet water and sunlight are abundant during specific seasons, are the most prevalent habitat for these plants. One bog has had up to thirteen different species of carnivorous plants (Folkerts, 1982). Through their roots, the majority of plants take up nitrogen from the soil. However, plants that feed on animals use leaves that have been particularly adapted to act as traps to capture the nitrogen from their prey.
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thoroughbred horses are among the fastest horses in the world and are used in famous racing events such as the kentucky derby. the mass of a thoroughbred is about 500 kg. if a horse with this mass is galloping with a momentum of 8,220 kgm / s what is its speed?
Knowing that momentum is the product of an object's mass by its velocity (M = m*v), and having data about two of the terms, we can calculate any of these values by clearing the equation. In this case, V = 1644m/s (This is the speed).
What is the momentum?When talking about Momentum, we are referring to the motion of an object. We can calculate it in a single object, or in a system.
The momentum (M) of a single object can be defined as the product between the object's mass (m) and its velocity (v). This is, M = m * v.
The moment of a system can be calculated by adding the moments of each of the objects. This is, Mt = M1 + M2 + M3 + M4 + M5....+Mn.
In the exposed example, we have the value of momentum (8,220 kgm / s) and the object's mass (horse's mass = 500kg). So we just need to replace the terms with the provided data and clear the equation to get the speed or velocity, v.
Knowing that,
M = momentumm = massv = velocityM = m*v
8,220 kgm/s = 500 kg * v
(8,220 kg m/s) / (500 kg)= v
16.44 m/s = v
The velocity equals v = 1644m/s.
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CREATE A short story about the Rise and Fall
(...and rise?) of an animal population that you can research online.
YOUR STORY MUST BE ORIGINAL AND SHOULD CONTAIN THE FOLLOWING ELEMENTS:
THE EFFECTS OF AT LEAST ONE (1) DENSITY - DEPENDENT LIMITING FACTOR
THE EFFECTS OF AT LEAST ONE (1) DENSITY - INDEPENDENT LIMITING FACTOR
THE BIOTIC POTENTIAL of your fictional population
POPULATION SIZE vs. CARRYING CAPACITY of your fictional ecosystem.
Answer:
It began to snow, but his body was so bruised and numb that snow and cold were no matching adversaries. Blood had dried around his throat, making the job easier
Explanation:
use this link and copy it then go to a paraphrasing tool
For certain breeds of cattle, a bull with solid red fur and a cow with solid white fur will make a roan calf that has both red and white hairs in its coat. What is this genetic inheritance pattern?.
Answer:
codominance :)
Explanation:
hope this helps
I need help with this active cell division problem! Will give brainilest!!
Every cell in the body divides through a procedure known mitosis to produce new cells. Due to this, the body grows and changes. The primary objective of mitosis is to replace worn-out cells.
What is cell division and its phases?A cell cycle is a sequence of events that occurs in tandem with a cell's growth and division. The majority of a cell's time occurs in the phase known as interphase, during which it matures, copies its chromosome, and prepares to divide. The cell then completes mitosis, exits interphase, and splits to completion.
What is the importance of cell division?Genetic variation can only be created by cell division. Cell division is an important process in which a unicellular creature transforms into a new organism in unicellular organisms.
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The complete question is -
Where in your body do you think cell division is occurring ? What led you to this conclusion?
imagine a population of galápagos finches that vary for bill size. what would we expect to occur if their main seed resource goes extinct, and another plant with much larger seeds replaces it?
We would expect that directional selection increases bill size towards a new optimum if a population of galápagos finches.
According to the theory of natural selection, those organisms which can adapt to changing conditions of the environment are able to survive and pass on their characteristics to their offspring.
If the main seed size changes and larger seeds replace them, then this would mean that larger bill sizes will be needed by the birds to survive in this environment. Those organisms that will be able to adapt to these changes will be able to survive and by direction selection, bill size would increase to a new optimum.
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During the process of _______________, the genetic message from dna is encoded into mrna.
This is known as transcription. During the transcription process, mRNA is created from a DNA template.
Messenger RNA (mRNA) is a single-stranded RNA that plays a role in protein synthesis. mRNA is created from a DNA template during the transcription process. mRNA transports protein information from a cell's nucleus to the cytoplasm (watery interior), where protein-making machinery reads the mRNA sequence and translates each three-base codon into the corresponding amino acid in a growing protein chain.
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Which of these zones is also known as the midnight zone?
A. Bathypelagic
B. Abyssopelagic
C. Hadalpelagic
D. Epipelagic
SUBMIT
Which vitamins are the most likely to produce toxic effects when consumed in excess?.
The fat-soluble vitamins A, D, E, and K are stored for a very long time in the body and, when taken in excess, are more dangerous than water-soluble vitamins. A typical, balanced diet won't make someone hazardous if they are otherwise healthy.
Since fat-soluble vitamins may build up in the body, they are more prone than water-soluble vitamins to cause toxicity.
Vitamin A, D, or E overdoses are not very common but have the potential to have negative side effects
Hence, vitamins A,D,E and K are most likely to produce toxic affects when consumed in excess.
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How could selective breeding be used to reduce deforestation?
creating artificial wood
creating trees that grow more quickly
creating trees with more leaves
creating richer soil
The way in which selective breeding be used to reduce deforestation are by creating trees that grow more quickly capable of enhancing the performance of this trait.
What is selective breeding?The expression selective breeding makes reference to a technique used in genetics based on crossing plants or animals with desired phenotypic features in order to obtain offspring with these traits, which are enhanced over generations.
Therefore, we can conclude that selective breeding is a technique that can be used to obtain desired offspring having certain phenotypic features when compared to other members of a population.
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what are some signs of geothermal activity in a caldera ?
Vital signs of geothermal activity include volcanoes, hot springs and others
How volcanoes are signs of geothermal activitiesWhen water bodies come in contact with a hot rock, it manifest clearly as geothermal energy as this geothermal activity produce energy from overheated water which is very dangerous and life threatening.
Geothermal activities simply refers to those activities which produces renewable energy which is and always be stored in rocks and water in the center of the earth.
So therefore, when certain signs such as volcanoes or hot springs manifest, it symbolize that a geothermal energy is at work in any given caldera.
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Picture underneath, thank you.
What are the genotypes of the F1 parent plants?
Genotype of F1 parent plant 1:
Genotype of F1 parent plant 2:
We conclude that the genotype of the parental plants by using the information provided by the image is homozygous dominant (plant 1) and plant 2 is homozygous recessive, it is for that reason that all offspring are heterozygous.
What is a Punnett square?The Punnett square is a diagram used in genetics in order to determine the genotypes of the offspring and also in this case to infer the genotypes of parental lines when information is missing.
The only way in which all progeny of a genetic cross is heterozygous is when the parental genotypes are homozygous recessive and homozygous dominant, thereby all offspring genotypes will be 100 percent Ww because there is one type of gamete by parent.
Therefore, with this information, we can conclude that the Punett square results can be used to determine the genotype of the parental lines, being in this case all heterozygous because parents are homozygous.
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The locations for three genes have been added to this cartoon. For clarity, the locations have only been noted on one chromatid. The lowest frequency of crossovers would occur between genes ____ and ____.
The locations for three genes have been added to this cartoon. For clarity, the locations have only been noted on one chromatid. The lowest frequency of crossovers would occur between genes a and b.
A cell generates a fresh copy of all of its DNA as it gets ready to divide, resulting in two copies of each chromosome in the cell. "Sister chromatids" refer to the two copies of the cell's original chromosome.
The two chromatids are torn apart during anaphase of cell division, and the chromatids are distributed among the cytoplasm of each daughter cell.
A vast quantity of DNA that is arranged physically into a single structure is called a "chromosome." Because of this, the "sister chromatids" are regarded as being separate chromosomes even though they are joined together. Each chromatid is thought to be its own chromosome once they are divided during anaphase.
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question 4, select all of the things that happened during the reign of terror
During the reign of terror, the Law of Suspects was enacted, allowing police to arrest anyone who did not consistently support the revolution, and the king's supporters defeated Robespierre's rebellion.
What is reign of terror?Following the establishment of the First Republic, numerous mass killings and other atrocities occurred during the French Revolution's Reign of Terror. The Committee of Public Safety carried out public executions in response to revolutionary fervor, anti-clerical sentiment, and treason accusations.The Reign of Terror was a dark and bloody period during the French Revolution. During the revolution, radicals took control of the government. Anyone suspected of betraying the revolution was apprehended and executed. The French Revolution had officially begun four years prior with the storming of the Bastille.In the pursuit of freedom and liberty by French revolutionaries, the Reign of Terror demonstrated more brutal punishments for counter-revolutionaries and foreign enemies.To learn more about reign tower, refer to:
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which of the following statements is true? group of answer choices bacteria are more closely related to eukaryotes than to archaea. archaea is more closely related to bacteria than to eukaryotes. archaea is more closely related to eukaryotes than to bacteria. bacteria are more closely related to metazoans than to archaea and eukaryotes.
The true statement is that archaea is more closely related to bacteria than to eukaryotes (option B).
What is a domain?Domain is the highest rank in the classification of organisms, above kingdom; in the three-domain system.
The domains of living organisms include one of the taxa;
BacteriaArchaeaEukaryotaBacteria and Archaea are both prokaryotic meaning that they do not possess membrane-bound nucleus or organelles.
On the other hand, eukaryotes have a membrane-bound nucleus and organelles such as chloroplast, mitochondria etc.
Therefore, it can be said that archae and bacteria are similar being prokaryotic.
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Q5.
Water travels through plants in xylem tissue.
(a) Describe the structure of xylem tissue.
Answer:
The xylem is a tissue which transports water and minerals from the roots up the plant stem and into the leaves. Xylem consists of dead cells. The cells that make up the xylem are adapted to their function: They lose their end walls so the xylem forms a continuous, hollow tube.
as carbon dioxide enters the ocean it: group of answer choices forms carbonic acid. bonds to water molecules to increase the salinity of the ocean is used by animals for respiration. becomes a product of photosynthesis.
As a consequence of photosynthesis and diffusion from the atmosphere, oxygen enters saltwater through the oxidation of metal ions.
Result?As a consequence of photosynthesis and diffusion from the atmosphere through animal respiration, decomposition of plant and animal remnants results.
How do CO2 and seawater interact?Answer options create carbonic acid as carbon dioxide reaches the ocean. Animals need this compound to breathe by forming chemical connections with water molecules to raise the ocean's salinity. is created during photosynthesis.
Seawater absorbs carbon dioxide, which is present naturally in the atmosphere. Carbonic acid (H2CO3) is created when water and carbon dioxide mix. This weak acid dissociates into hydrogen ions (H+) and bicarbonate ions (HCO3-).
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how do we manage the saftey of our ecosystem ??
Answer:
By keeping habitat destruction a minimum
Explanation:
We can do this by reducing the poachers and animal habitat destruction throughout Earth.
What mechanism of evolution would it be if the wider alligator tail was advantageous so that the alligator was a better
swimmer and able to live longer and have more offspring?
When species occupy comparable ecological niches and respond similarly to similar selection forces, this is known as convergence in evolution. Analogous structures are traits that result from convergent evolution.
Why does genetic variety happen? What does it entail?Gene variants, commonly referred to as mutations, and a natural process in which genetic information is reorganised as a cell prepares to divide can both result in genetic differences (known as genetic recombination). Genetic changes that affect gene activity or protein function can give an organism distinct features.
Some organisms can survive in their environment more successfully than others due to genetic variety in a group of species. Even among a small population of organisms, there can be dramatic differences in how well-suited they are to a given habitat.
The majority of mutations within an organism neither negatively nor favourably affect it.
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