The earliest larval stage of echinoderms
A) is called the dipleurula larva in approximately half of all living species.
B) is called a trochophore larva.
C) is radially symmetrical.
D) develops projecting arms.
E) does not have a through gut, with a mouth and anus.

Question

Quizplus · Accepted Answer

The earliest larval stage of echinoderms is called the dipleurula larva in approximately half of all living species.

The Earliest Larval Stage of Echinoderms