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aivan3 [116]
3 years ago
10

How can you explain that the fact that fish, penguins, and dolphins all have the same basic shape?

Biology
1 answer:
Scorpion4ik [409]3 years ago
7 0
Fish, penguins, and dolphins all have the same basic shape because they all faced the same physical constraints during their evolution and converged upon the same body plan.
Hope I helped!

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Explanation:

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1.) The blood flow to ACTIVE MUSCLES during prolonged exercise under a hot day.

There is increase in carbon dioxide and hydrogen ions, decrease in oxygen levels will cause the smooth muscles of the blood vessels located at the active muscle sites to relax. This enhances the in flow of blood supply oxygen which is needed for the generation of Adenosine triphosphate (ATP) for energy. This requires a greater cardiac pumping capacity.

2) The flow of blood to the skin during during prolonged exercise in a hot day.

To avoid dehydrations during exercise which occurs through the lungs and skin, there is increased cardiac output to remove excess heat generated through thermoregulation of cutaneous circulation.

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