Both echinoderms and chordates are deuterostomes.This means that
A)they have a similar development in their embryonic stages.
B)they both have eyes that have retinas.
C)they both start with radial symmetry in their early embryonic stages.
D)they both use calcium-based endoskeletons.
E)they are both invertebrates.

Question

Quizplus · Accepted Answer

Deuterostomes are characterized by a specific pattern of embryonic development, which includes formation of the anus before the mouth and ultimately results in the formation of a coelom from folds in the embryonic tissue. Both echinoderms and chordates exhibit this pattern of development, which is distinct from that seen in protostomes.

Both Echinoderms and Chordates Are Deuterostomes.This Means That