Echinoderm is the name given to a member of the phylum Echinodermata. They have radial symmetry and this includes sea urchins, sand dollars, sea stars and sea cucumbers. It is suggested that they are related to the chordates which is the answer.
C) The Cell Would Be Forced To Divide as substances continued to build up inside the cell
They all go through a rotation in which one needs another
Answer: A, B, and D
Explanation: I just took the test