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shepuryov [24]
3 years ago
7

Why do scientists consider vestigial structures evidence for evolution?

Biology
1 answer:
ANTONII [103]3 years ago
6 0

Vestigial structures are taken as an example of evolution because they give us an indication of structures that, due to the adaptation to the environment, disappeared.

At the end of the vertebral column, we have the coccyx as an example of this.  Its believed that it could have formed a tail and currently, is only a small bone without any specific function, even some individuals are born without it.

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During which stage of a cell's cycle do the replicated chromosomes thicken and<br> become visible?
trasher [3.6K]

Answer:

Prophase

The replicated chromosomes thicken and become visible as separate chromosomes during prophase stage of mitosis. :)

6 0
3 years ago
Read 2 more answers
Muscle that is involuntary and branches is
BabaBlast [244]

Answer:

Cardiac muscle.

Explanation:

Cardiac muscle is also known as heart muscle. These muscles regulate the proper working and functioning of the heart.

Cardiac muscles are involuntary muscles and show striations under the microscope. These muscles are uninucleate and connected by the intercalated disc. Cardiac muscles are branched so that each cardiac cells may attach with atleast with or four other cardiac cells.

Thus, the correct answer is option (A).

3 0
3 years ago
What specific part of the brain processes nerve impulses from touch and pain receptors?
pogonyaev
TOuch and pain are controlled by different regions of the brain, so I gonna treat these terms separately:

PAIN: one thing seems certain: there is no single "pain centre" whose only activity could account for all facets of pain. In other words, no lobotomy of any particular region of the brain completely removes the pain. So there are many regions that are responsible for pain: The reticular formation and the thalamus (specifically the Deep lemniscal territory) which is responsible for both touch and pain sensations

TOUCH: touch sensation are processed by parietal lobe in the brain cortex (which is also responsible for sight and hearing), and the deep lemniscal territory in the thalamus.

4 0
4 years ago
Sewage is the most common form of pollution in rivers and streams. Please select the best answer from the choices provided T F
timurjin [86]

Answer:

Its true

Explanation:

TRUTH SPEAKS

8 0
3 years ago
PLS ANSWER WILL MARK BRAINEIST !!! NO SILLY ANSWERS.
Lera25 [3.4K]

Answer:

I think that they are both equally nutritious and that they give us the nutrition that we need. a plant- based diet uses less resources because they use less water to produce the food as it suppress all animal based products. I think people should eat less meat because sometimes people put unhealthy chemicals in food that can be harmful and not healthy as a source to people.  

Explanation:

Hope this helps!!:)

7 0
3 years ago
Read 2 more answers
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