General category: Biology.
Sub-category: Evolution.
Topic: natural selection
Introduction:
According to Darwin's theory of evolution, those members of the population with less adapted characteristics (as determined by their environment) are more likely to die. So those members with better-adapted characteristics are more likely to survive.
Explanation:The sentence "species are more advanced due to evolution" or equivalently "evolution always leads to more advanced species" is false.
According to the theory of evolution, organisms that are more adapted to certain environments survive and pass their genes from generation to generation. However, when environmental conditions change, these characteristics may not be advantageous for survival in the space where these species are found, and they may die.
An example of this is polar bears. Their fur is white, which gives them an advantage when hunting their prey since these bears can go unnoticed in the snow, which is white. However, due to global warming, this feature is no longer an advantage in certain regions where the ice has melted excessively and prey can more easily see this great hunter. However, this does not imply that the polar bear is more advanced or less advanced. It implies that the conditions of the environment influence the conditions of survival and that evolution is guided by random or provoked changes in the environment of organisms.
We can conclude that the correct answer is:
Answer:The sentence "evolution always leads to more advanced species" is false since, according to the theory of evolution, organisms that are more adapted to certain environments survive and pass their genes from generation to generation. However, when environmental conditions change, these characteristics may not be advantageous for survival in the space where these species are found, and they may die. this does not imply that the organisms in a population are more advanced or less advanced. It implies that the conditions of the environment influence the conditions of survival and that evolution is guided by random or provoked changes in the environment of organisms.
Choose a meat product that you eat, and construct a food chain that includes you as the final
consumer.
Typical meats include beef, chicken, turkey, and pork. Even though pigs are omnivores, all of these animals are mostly herbivorous.Animals find food along a single path, creating a feeding chain.
What is a Food Chain List?The way each living thing obtains its food is shown by a food chain. Some animals eat vegetation, while others prey on other creatures.For instance, a straightforward food chain connects trees and bushes, giraffes (who consume trees and shrubs), and lions (that eat the giraffes).It's a cliché that we've all heard thousands of times, whether to defend how we treat other animals or just to celebrate a carnivorous lifestyle: humans are at the top of the food chain.Each link in this chain provides food for the next link.However, ecologists have developed a statistical method for determining a species' trophic level—its position in a food chain.To learn more about What is a Food Chain List refer to:
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Butterflies eat flowers on plant ,plants eaten by goat and goat is eaten by human beings as meat.
Where are people located in the food chain?The apex of the food chain includes carnivores like polar bears and orca whales, which are not themselves preyed upon. According to recent research, we actually fall between between pigs and anchovies. With polar bears and orca whales at the top of the food chain, that places humans directly in the middle of the chain.
To create a food web, write out the primary producers, herbivores, omnivores, and carnivores for the chosen habitat. Connect them with arrows showing both predator and prey. The final product may look like an actual web or map. So here in this primary producer is plant primary consumer is goat and secondary consumer is human being.
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10. Food producers do not need
make sugar.
a) carbon dioxide
b) nitrogen dioxide
c) water
d) light
to
What is a model organism?A. used by science to be an example for how other organisms would respond to different situationsB. the common ancestor of a species C. a species in each phylum that has all the basic features of that phylum
Answer
A. used by science to be an example for how other organisms would respond to different situations
Explanation
Model organisms are a non-human species that is extensively studied to understand particular biological phenomena.
The carbon backbone of organic molecules can take on many shapes. How does this
affect the diversity of organic molecules? PLEASE HURRY
Carbon atoms are connected in long chains by covalent bonds, which form the skeletal framework for organic molecules.
What is carbon backbone?Carbon skeleton is also known as carbon backbone. All organic compounds are made up of carbon-carbon bonds, which form a carbon skeleton or backbone. The carbon atom has special effects that allow it to form covalent bonds with up to four additional atoms, making it excellent for use as the basic structural component, or "backbone," of macromolecules. This carbon backbone is made up of chains and/or rings of carbon atoms with the addition of an element such as nitrogen or oxygen on occasion. Substituted hydrocarbons are molecules with other elements in their carbon backbone. The term carbon skeleton refers to the pattern in which carbon atoms are bonded together in a molecule, ignoring other atoms and differences between single and multiple bonds.
Therefore,
Carbon atoms are connected in long chains by covalent bonds, which form the skeletal framework for organic molecules.
These carbon skeletons can differ in several ways, including: -length -shape -number and location of double bonds -other elements covalently bonded to available sites
The diversity of carbon skeletons adds to the complexity and diversity of organic molecules..."
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ma group of Ainerican curl cats, some individuals have curled ears and others have straightears in this group, the gene for the ear type trait has two alleles. The allele for straight ears(ela recessive to the allele for curled ears (1)Kitty, an American curl cat from this group, has curled ears.Based on Kitty's phenotype for the ear type trait, which of the following could be Kitty'sgenotype for the ear type gene? Select all that applyELEeceSubmitWork it outNot feeling ready yet? This can help:
Based on Kitty's curled ears phenotype, that is the dominant type of the trait, so this phenotype will be shown both in dominant homozygous and in heterozygous. So her genotype can be EE or Ee.
Which of the following diseases is not caused by a virus?
Question 2 options:
polio
common cold
tuberculosis
influenza
Answer: Tuberculosis
Explanation:
TB is caused by a bacterium called Mycobacterium tuberculosis
Which of the following steps in a signaling pathway typically occurs first once a chemical messenger reaches a target cell?
Question:
Solution:
The cells recognize the stimuli (chemical messengers) through receptors. When the receptors bind to the signaling molecules, physiological responses are initiated, and depending on the nature of those physiological responses, the receptor will be a membrane receptor or an intracellular receptor. So, we can conclude that the correct answer is
A LIGAND BINDS TO A RECEPTOR.
Animal cells are most likely to experience damage froma. an aqueous solution.b. an isotonic solution.c. a hypotonic solution.d. a hypertonic solution.e. None of these.
Isotonic, hypertonic, and hypotonic refers to the concentration of solutes present in a solution in comparison to another solution.
In this case, they refer to a solution that surrounds animal cells.
When a solution is isotonic, it means that has the same concentration as the other, in this case, the cytosol of the cell, so there is no water flow across the cell membrane.
When the solution is hypotonic, water diffuses to the interior of the cell, which has a greater concentration of solutes, and in an animal cell this can cause the rupture of the cell, in opposition to what would happen in a plant cell, where the cell wall prevents this from happening.
And in the case of a hypertonic solution, as the concentration of solutes is greater outside the cell, the water leaves the cell.
This means that, from the options, a hypotonic solution can be more harmful to an animal cell (option C).
Help asp please thank you
Please write 5 sentences
Answer: Both have DNA, a plasma membrane, cytoplasms, and ribosomes. Prokaryotes are the oldest cell type, they are small and simple and lack a nucleus and organelles, and are single-celled. Eukaryotic evolved from prokaryotes, they are larger and more complex, they contain a nucleus and organelles unlike Prokaryotes, and can be single-celled or multicellular.
Explanation:
JOHNY has 8679 apples Sarah has 889 apples who has more
Answer:
JOHNY
Explanation:
8679>889
so johny has more
Answer:
Johny has more.8679 is bigger than 889
The cytoplasm in a single cell organism and the circulatory system in a human both do
what?
According to the research, the cytoplasm in a single cell organism and the circulatory system in a human both allow substances to move in the body.
What is the cytoplasm and the circulatory system function?The cytoplasm is the part of the cell where numerous chemical and organic substances are dissolved and suspended, contributing to their movement, necessary for cell physiology.
In this sense, the circulatory system is the functional unit for the supply and distribution of blood to the different parts of the body.
Therefore, we can conclude that the cytoplasm and the circulatory system allow the mobility of substances that are essential for a cell and organism.
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sea otters live in the ocean. which of the following is not likely to be a limiting factor on the sea otter population
Answer:
Drought.
Explanation:
Otters can swim + they live in the ocean
I need help with this practice problem solving In your own words* give a general description of the species: Eastern cottontail
Description of eastern cottontail:
• Its scientific name is ,Sylvilagus floridanus,. This is the most common rabbit in North America (Canada, United States and Mexico). They are rather found in habitats that offer protection from their predators like meadows, fields and young forests.
• They are primary consumers as they eat plants including fruits, leaves, seeds and flowers. Their main predators are foxes, owls, hawks and small predatos.
Hello, I need help double checking with this question please thank u so much
Solution:
Remember that abiotic factors are the components of an ecosystem that do not have life but influence the living beings that are part of it. Thus, according to this definition, we can conclude that the correct answer is:
SAND
PLEASE IN NEED HELP PLEASE GIVE A GOOD EXPLANATION.
Wildflowers are plants that grow on the forest floor.
During a study, a scientist observed that wildflowers began to bloom before the leaves appeared on the tall trees above them and stopped blooming once the trees were full of broad leaves which blocked the sunlight.
Evaluate this observation and explain a limiting factor this is affecting the wildflowers on the forest floor.
Answer: A limiting factor of wildflowers on the forest floor is the sunlight. This affects the plant because the wildflowers cannot grow without sunlight and when the leaves block the sunlight they cannot grow.
Explanation:
Please help
1. What two types of cells contain chloroplasts?
2. Autotrophs make their own food using energy from
3. The food making process is called
4. What are the raw materials for photosynthesis?
5. What simple sugar is produced?
6. What gas is used in the process?
7. Where are most photosynthetic cells in plants found?
8. What compound can be made from glucose and serves as long term energy storage?
9. Compare the raw materials of photosynthesis to the products of respiration.
What gas is released?
10. How are these two processes (photosynthesis and respiration) related?
what ingredients in fecal matter help with the growth of aquatic plants and algae?
Feces in the aquatic environment can be direct linked to the growth of some aquatic plants and algae because it enrich the soil of the river/lake for the aquatic plants populations. The fecal matter is rich in some inorganic components that are important for the vegetal growth, and that are useful to maintain a balance in the bacteria and decomposers in the aquatic environment. Phosphate, Nitrogen, and Ammonia are the most common elements responsible for the plants growth in this situation.
Which of the following partial reinforcement schedules applies a reinforce after a specific number of correct responses?
Question 9 options:
Fixed-ratio schedules
Variable-interval schedules
Variable-ration schedules
Fixed-interval schedules
Variable-ration schedules is reinforcement schedule where appropriate movements are reinforced after a varying number of responses.
Partial reinforcement schedules is defined as either fixed or variable, and as either interval or ratio. Combinations of these four rubric produces four kinds of partial reinforcement schedules these are fixed-ratio, fixed-interval, variable-ratio and variable-interval.
A variable ratio schedule means that the reinforcer is delivered after an average number of correct responses has occurred. This schedule creates a very high rate of response. some examples are Gambling and lottery games.
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Summarize what happens during the Calvin cycle.
The Calvin cycle is a series of chemmical reactions that are part of the dark reactions of a photosynthesis, turning carbon dioxide into sugar. It is composed of three main phases:
1 - Carbon fixation, in which carbon dioxide (CO2) is turned from the inorganic molecule that it is to an organic molecule.
2 - Reduction, in which energy from ATP and from NADPH is used to convert the organic carbon molecules into a simple sugar
3 - Regeneration, in which glucose is produced and the molecule that started the cycle is regenerated so the cycle can continue, as the cycle must be completed a three times until it has produced the product molecules (six G3P's - Glyceraldehyde 3-phosphate).
since 1825 the classification of the red panda has changed many times. The red panda has beenclassified as being most closely related to bears, raccoons, seals, walruses and most recentlyskunks. Which explanation accounts for the change in the classification of the red panda?A. The tools and technology used to determine classification groupings have improvedovertime.B. modern scientists determine the classification of organisms using more detaileddescriptions.C. the red panda, along with the other animals considered to be related, evolved overtime.D. other species have changed, resulting in greater similarities to the red panda.
The correct answer is A. The tools and technology used to determine classification groupings have improved overtime. Technology advances spur scientifical advances.
The reasons that humans should seek to conserve and nurture biodiversity is-
A) biodiversity performs vital nutrient cycling
B) biodiversity offers humans medicines
C) biodiversity leads to healthy ecosystems
D) biodiversity provides asthetics
E) all of the above are true
The reasons that humans should seek to conserve and nurture biodiversity is each of the statements above is accurate.
Option E is correct
What 3 kinds of biodiversity are there?Genetic, species, and ecosystem diversity are the three levels of biodiversity that are most frequently discussed. The various genes found in each unique species of plants, animals, fungi, and microbes make up genetic variety. It can happen both within and between species.
It is essential to life on Earth that all living things are diverse, including ecosystems, plants, animals, their habitats, and their DNA. In addition to supplying oxygen, food, clean water, fertile soil, medicines, shelter, safety from storms and floods, a stable climate, and recreation, biodiversity is essential to human survival. Tragically, due to human civilization, biodiversity is currently vanishing at a rate 1,000 times faster than it should.
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What is the product P?
Responses
A)Hydrogen
B)Glucose
C)Nitrogen
D)Energy
Answer:
D) Energy
Explanation:
Many applications of microbes exist. List and describe five uses of microbes.
Five uses of microbes are
Micro biome
Fungi
Pro biotics
Micro-organism
Baking
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Ice cubs is faster heating in a stove than the microwave .Ice cubes melt almost immediately when heated directly.The ice cubes will instantly melt if you put them adjacent to lighted matches, use a hot stove, or use a lighter.
Why does ice cubes melt?
The velocity of the water molecules in the ice increases as energy is delivered to them.The ice melts as a result of the molecules' increased velocity, which is strong enough to resist the pull of the water molecules toward one another. Ice does melt in the microwave, but not as quickly as one might anticipate from a device that can quickly prepare meals.The majority of people do not believe that ice will melt in a microwave, The water molecules turn to line up with the microwaves' alternating electric field.The water heats up as they fast spin back and forth.The water molecules are fixed in place by the ice.They cannot rotate back and forth, therefore the microwaves cannot be converted into heat. according to magician and science enthusiast Jason Latimer.Before microwaving, place the ice cube and cover on top to generate steam that will allow the food to reheat completely.By adding the ice cube to the bowl, you give the microwave something to heat, and the steam is then distributed throughout the food, preventing leftovers from remaining cold.The water heats up as they fast spin back and forth.The water molecules are fixed in place by the ice.They cannot rotate back and forth, therefore the microwaves cannot be converted into heat. Ice is a solid form of water.The ice transforms into liquid water when heat (a type of energy) is introduced.0°C, the melting point, has been attained.Water will become water vapour, or water in its gaseous condition, if heat is applied indefinitely. You might assume intuitively that hot water always melts ice more quickly than cooler water, but this isn't always the case.See what happens if you drop a few ice cubes into warm water and then submerge a few more in frigid water.Warning: the cold tap will cause the ice to melt more quicklyThe water will begin to boil where it contacts the hot pan while it sits there.The best way to demonstrate it is to heat the skillet up till water touches it begins to boil.In reality, the steam will cause the ice to float just millimeters over the pan's bottom.
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When you touch a sharp object and cut yourself, your brain receives the pain messages from your hand and sends a signal back to your hand to pull away from the painful object. Those messages are sent to the hand using __________ neurons.
Question 12 options:
axial
efferent
afferent
sensory
Answer:
Sensory
Explanation:
Detects and responds to external signals
Celestial body a is the largest planet in the solar system
Celestial bodies refer to the planets, stars, moons, and other natural objects that are present in space.
What is the Celestial body?Celestial bodies or holy bodies are things in space such as the sun, moon, planets, and stars. They form a bit of the vast universe we live in and are. Working Of Electric Bell in line with the Sun, Jupiter is, by far, Celestial bodies the largest planet in the solar system – more than twice as massive as all the other planets combined. Celestial bodies were usually very far from us. Our solar system consists of our star, the Sun, and everything bound to it by gravity – the planets Mercury, Venus, Earth, Mars, Jupiter, Saturn, Uranus, and Neptune; dwarf planets largest planet in our solar system by far is Celestial bodies Jupiter, which beats out all the other planets in both mass and volume.
so we can conclude that planets, stars, moons, and other natural objects are considered Celestial bodies.
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The oldest fossil cells are best characterized as:animals.plants.prokaryotesprotists.
The oldest known fossils are cyanobacteria from Archaean rocks of western Australia, dated 3.5 billion years old. Remember that cyanobacteria are prokaryotes. Thus, we can conclude that the correct answer is:
Answer:
prokaryotes
I need help with this practice In your own wordsLook at my practice in the pic provided and answer in a summary (short 3 sentences)
Kudzu was intentionally introduced to North America by the Soil Erosion Service and Civilian Conservation Corps in the 1930s for the purpose of controlling soil erosion in the American Southeast. When kudzu was first introduced in the southeast, it was initially used as an ornamental vine to shade homes.
Which of the followingstatementsis true about the LargeGround Finch and theWoodpecker Finch?A. They are similarenough that their niches overlap, causingthem to competefor mostresources.B. Their beaks are adapted to different food sources,SO their niches will compete.C. They are different species,therefore their niches do not overlap and they do notcompete.D. Their beaks are adapted todifferent food sources, sotheir niches generally do notcompete.
The true statement about the Large Ground Finch and the Woodpecker Finch is: Their beaks are adapted to different food sources, so their niches generally do not compete.
They are different species, but this isn't enough for them to avoid competition, they don't compete because their niches are different enough, as their peaks have been adapted to different food sources.
The correct answer is option D.