Observation of the development of embryos in sea stars shows the mesoderm forming pouches bulging from the archenteron to form the coelom. From this observation, you can predict that

Question

A. the cleavage of the embryo is radial.

B. the adult animal will have bilateral symmetry.

C. the mouth forms from the first opening in the gastrula.

D. the animal is diplolastic.

Answer 1

A. the cleavage of the embryo is radial.