How does taxonomy help us understand relationships among organisms on earth? What kinds of evidence do scientists use in taxonomy?

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Answer 1

Answer: Taxonomy helps us understand relationships among organisms on earth because you can produce a genetic tree diagram which starts from present day animals and goes back to the first early life forms. Scientists will use living organisms and extinct organisms either from fossils, from drawings or from photographs

Related Questions

Air has a density of 0.001293 g/cm³. Which of these gases would make a balloon float in air? Check all that apply.*nitrogen, density: 0.001251 g/cm³ *carbon monoxide, density: 0.001977 g/cm³ *helium, density: 0.000178 g/cm³ *carbon dioxide, density: 0.001977 g/cm³ *hydrogen, density: 0.00009 g/cm³ *oxygen, density: 0.001429 g/cm³
When you are exposed to sunlight for a long time, your skin, which otherwise appears normal, gets heavily tanned. What could be the reason? A. The genes for melanin pigmentation remain turned on and prepare more melanin than usual to protect the skin from photo-damage when it is exposed to sunlight for long time. B. The genes for melanin pigmentation remain turned off and synthesize more melanin than usual to protect the skin from photo-damage when it exposed to sunlight for a long time. C. The genes for melanin pigmentation are switched off to stop the synthesis of melanin.
An animal is a vertebrate. It is warm-blooded and has feathers on its body. Which class does it belong to? Reptilia Aves Mammalia
In which step of the scientific method is information obtained through the senses?a. drawing conclusionsb. making observationsc. analyzing datad. revising a hypothesis
1. what makes up sides of the ladder of a DNA molecule?2. how is a RNA different from a DNA?3. what role does RNA play in cell life4.what are the three kinds of RNA and what does each do?5. what can cause mutation?

Why do the planets not travel in a straight path? A.) The forces of inertia and gravity cause them to move in a elliptical orbit around Earth.
B.) The forces of inertia cause the planets to move in curved paths around the sun.
C.) The forces of gravity and inertia combine to produced elliptical orbits around the sun.
D.) all of the above

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The reason why the planets do not travel in a straight path is expressed by the second option represented above : B. the forces of gravity and inertia combine to produce elliptical orbits around the sun. To be recognized as a planet the object has to have cleared its orbital path of similar sized objects by absorption or capturing them as moons.

Limb bones within unrelated animals that have the same basic structures are consideredA. vestigial structures.
B. analogous structures.
C. homologous structures.
D. embryological.

Answers

They are called homologous structures.

If 15% of a DNA sample is made up of thymine, T, what percentage of the sample is made up of cytosine, C?

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If 15% of a DNA sample is made up of thymine, T, then the percentage of the sample that is made up of cytosine, C is 35%.

What is DNA?

DNA stands for deoxyribonucleic acid. It may be characterized as the type of molecule inside cells that contains the genetic information responsible for the development and function of an organism. It is considered one of the most common types of genetic material.

According to Chargaff's rule, the amount of adenine is always equal to the amount of thymine while the amount of guanine is always equal to the amount of cytosine.

The amount of thymine in a DNA sample = 15%

Then, the amount of adenine = 15%

Total amount of DNA = 15 +15 = 30%.

The amount of DNA left = 70% which holds guanine and cytosine in equal amounts. So, the amount of guanine = 35%, and the amount of cytosine = 35%.

Therefore, if 15% of a DNA sample is made up of thymine, T, then the percentage of the sample that is made up of cytosine, C is 35%.

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If 15% are Thymine, and Thymine always pairs with Adenine, then Adenine is also 15%. The remaining bases, amounting to 70% would be equally divided between Cytosine and Guanine, since they always form pairs. So 35% would be the answer.

The muscles control decreasing pupil size in response to brighter light levels

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Final answer:

The sphincter pupillae muscle controls decreasing pupil size in response to brighter light levels. This action protects the eye from potential damage. The process is involuntary and controlled by the autonomic nervous system.

Explanation:

The pupil size in our eyes is controlled by two muscles: the sphincter pupillae and the dilator pupillae. When we are exposed to brighter light levels, the sphincter pupillae muscle contracts, which causes the pupil to decrease in size. This acts as a protective mechanism to prevent too much light from entering the eye and possibly causing damage.

The functioning of these muscles are involuntary and controlled by the autonomic nervous system. In contrast, in lower light levels, the dilator pupillae muscle would contract to increase pupil size and allow more light in for improved vision.

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The statement is correct, the muscles control decreasing pupil size in response to brighter light levels.

Your eye's retina converts light into nerve impulses that travel down the optic nerve. The muscles that regulate the size of the pupil get some of these nerve signals from the optic nerve.

When rocks are broken down by heat and pressure, chemically weathering has taken place

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The answer is false, chemical weathering occurs when rocks, minerals, etc are broken down by atmospheric or biologically produced chemicals.

it is false on ed{g}enuity

When the body receives stimuli, which structure typically processes the stimuli?sensory nerve cell
motor nerve cell
brain
meninges

Answers

The brain recieves stimuli. Your brain does a lot of things for you. It is one of the busiest organs in your body. Your brain stimulis can enjoy various brain stimulis games to keep your brain healthy and sharp. if it stays healthy, everything follows after.

im pretty sure its C.........

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