Question

Which of the following statements for
Echinoderms is false:
O
They have an endoskeleton of
calcareous ossicles
Adult echinoderms are bilaterally
symmetrical but larvae are radially
symmetrical
They are triploblastic and coelomate
animals
They lack an excretory system​

Answer 1

adult echinoderms are radially symmetrical and larvae are bilaterally symmetrical.

so option 2 is wrong.

hope it helps...:)