A person who specializes in the study of animals is called a zoologist. Zoologists who study certain kinds of animals have their own names.
The answer is Echinoderms.
According to the Embryological studies, the most ancient chordates were closely related to the ancestors of the echinoderms. Echinoderms are members of the group Phylum Echinodermata of marine animals. Some known echinoderms are starfish, and sea cucumbers.
Without the greenhouse effect, there would be more ice on Earth’s surface. The answer is B.
Sea stars (or starfish) feed off the oyster beds. If the oyster beds were destroyed it would deplete the major food source of the sea stars and they would begin to diminish.
Answer:
D
Explanation:
adequate shelter, as animals can live without adequate shelter.