Please help! Will pick brainist! Manatees have toenails on their feet. The toenails are left over when the ancestors of manatees walked on land. They have no function today. Manatee toenails are examples of ...
A. comparative anatomy.
B. DNA.
C. fossil record
D. vestigial structures.

4. how does a phospholipid behave in water? the phosphate head does not mix with water; the fatty acid tails do. the phosphate head and the fatty acid tails mix with water. the phosphate head and the fatty acid tails do not mix with water. the phosphate head mixes with water; the fatty acid tails do not.

Which is a kingdom? protistachordataprokarya mammalia

The krebs cycle is also known as the calvin cycle pyruvic acid cycle carbon - oxygen cycle citric acid cycle