As deuterostomes,the echinoderms and hemichordates share all of the following developmental characteristics except one.
A)The anus develops from the blastopore.
B)The coelom forms from outpockets of the embryonic gut tract.
C)The cleavage is radial.
D)The cleavage is determinate.
E)The larval forms are bilaterally symmetrical and ciliated.

Question

Quizplus · Accepted Answer

Deuterostomes, including echinoderms and hemichordates, exhibit indeterminate cleavage, not determinate cleavage. This means that the fate of each cell in the early embryo is not fixed and can develop into a complete organism.

As Deuterostomes,the Echinoderms and Hemichordates Share All of the Following