Question

What do all echinoderms have in common?

A. They have tiny, tube feet.

B. They have an exoskeleton.
C. None of them can move.

D. They breathe air with lungs.

Answer 1

so do you know what echinoderms are

Answer 2

hey have a star-like appearance and are spherical or elongated.
They are exclusively marine animals.
The organisms are spiny-skinned.

Answer 3

so which one do you think it is

Answer 4

a?

Answer 5

yes

Answer 6

ok .