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Essay Details:
Essay text:
For each problem, explain a physiological of structural solution.
Four problems faced by animals on land are breathing (respiration),
water conservation in excretions, successful reproduction, and the producing an
egg which can survive outside of the water.
All animals need to respire, but I have no idea why. Maybe you would
like to answer that? Aquatic animals use gills, which are outgrowths from the
body which increase surface area over which gas exchange can occur. Inside the
gills of aquatic animals, the circulatory system removes oxygen, and delivers
waste carbon dioxide. Land vertebrates have developed a different approach to
the problem of gas exchange, as water is not present in all of the terrestrial
environment...
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