Despite their frequency in the intertidal zone, in tide pools, sea urchins can be found at many different depths and in any habitats. They can also be found in nearly any ocean temperature. Sea urchins inhabit the polar seas as well as the warm tropics.
Answer:
nucleus is the answer your welcome
B is the correct answer because the density it the salts would make the water increase therefore sink faster
Answer:
A white cheesy substance that covers and protects the skin of the fetus and is still all over the skin of a baby at birth
Explanation:
