The excretory system is most likely to respond when an animal is thirsty in this way: B. by retaining body fluids.
Because the body doesn't get enough fluids to not be thirsty anymore, it retains whatever fluids it already has in it until the thirst is satiated.
GUANINE
Adenine always bonds with thymine, and cytosine always bonds with guanine.
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It shows evolution and growth from the past and present
Answer:
producers get energy from the sun and other elements.
consumers eat the producers that got energy from the sun. and gain energy that way.
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