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Hatshy [7]
2 years ago
11

How do homologous structures provide evidence for evolution?

Biology
1 answer:
asambeis [7]2 years ago
4 0
The presence of a homologous structure suggests common ancestry, and further suggests that the nearest common ancestor of two organisms had the trait which is homologous. Comparison of several modern organisms with different variations of the same homologous structure can suggest what the original ancestor's actual characteristics were, and comparison of the structure in different organisms can also suggest which organisms are more or less closely related
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ompared to eukaryotes, prokaryotes are ________. Compared to eukaryotes, prokaryotes are ________. simpler morphologically and m
Savatey [412]

Answer:

In compare to eukaryotes,prokaryotes are morphologically simpler,more evolutionary primitive,less sensitive to physical environment.

Explanation:

Prokaryotes are unicellular organism which don't possess cell organelle like nucleus,mitochondria,Endoplasmic reticulum,golgi body, etc.

They are the first living organism in the primitive earth and the genetic components are located in the cytoplasm which is enclosed by cell membrane.

prokaryotes contain 3 domains that are Archaea, bacteria and eukarya.

The cytoplasm is enclosed by cell membrane.

Molecular studies have reveal that eukaryotes are evolved from prokaryotes.

Some prokaryotes bear long projection which helps them for locomotion,called as flagellum.This is present in gram positive and gram negative bacteria.

7 0
2 years ago
Which object would have a larger gravitational force acting upon it
fiasKO [112]

Answer

Hi,

An object with the largest size will have a large gravitational force acting on it. Explanation

The gravitation force increases with increase in size of an object. An object that has twice as much mass will exert two times as much gravitational pull on other objects. An object with greater mass attracts the earth more strongly that the other one with smaller mass. On the earth’s space, the more massive objects will exert stronger gravitational forces.

Best wishes!

6 0
3 years ago
the efficiency of aerobic metabolism is greater than that of anaerobic metabolism even though much more energy is released in ae
Nitella [24]

Compared to anaerobic metabolism, aerobic metabolism retains a lot additional energy in the manner of ATP.

<h3>What is the straightforward meaning of metabolism?</h3>

the alterations in an organism's or a cell's chemistry. These modifications generate the ingredients and energy that cells and organisms require to develop, procreate, and maintain health.

<h3>Does weight change with metabolism?</h3>

You will consume more calories both at rest and when you are active if overall metabolism is "strong" (or quick). You'll need to consume more calories to maintaining your weight if you have a strong metabolism. That is one of the reasons why some people are able to consume more than before without putting on weight.

To know more about metabolism visit:

brainly.com/question/1189010

#SPJ4

7 0
1 year ago
Suppose you observed that tina has a circular area without hair on the back of her scalp. what word would best describe this
vodka [1.7K]
The answer to this question would be: alopecia areata

In this question, there is a certain area of the scalp that didn't have any hair. The best term to this condition would be alopecia areata.
There are a few reasons why a spot of baldness can appear. It can be caused by stress that inducing autoimmune disease. Before diagnosing a patient with this you must exclude the possibility of fungal infection as it can destroy the hair and make it look bald.
8 0
3 years ago
Which statement is true regarding monocytes
vodka [1.7K]

Answer: <u>Option C, they digest pathogens</u>

Explanation: Monocytes are involved in the process of digesting pathogens and infected cells, termed as phagocytosis.

Monocytes don't produce antibodies, only B cells can produce antibodies. So, option A and D are incorrect. Also they appear colorless when observed under the microscope. They don't appear granular, so option B is also incorrect.

7 0
3 years ago
Read 2 more answers
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