Which of the following combinations of embryonic features is common in the deuterostomes?
A) spiral cleavage and the gastrulation pore or gastropore) becomes the anus
B) spiral cleavage and the absence of gastropore formation
C) radial cleavage and the gastropore becomes the mouth
D) radial cleavage and the gastropore becomes the anus
E) absence of cleavage and gastropore becomes the anus

Question

Quizplus · Accepted Answer

Deuterostomes typically exhibit radial cleavage and the gastropore becomes the anus. This includes organisms such as echinoderms and chordates.

Which of the Following Combinations of Embryonic Features Is Common