Protostome Pattern of Development Differs from Deuterostome in Cleavage, Gastrulation

Multiple Choice

Protostome pattern of development differs from deuterostome in cleavage, gastrulation, and coelom formation. What both patterns of development have in common is the evolution of bilateral symmetry and a body cavity lined with mesoderm. Most of protostome evolution took place in oceans and there are many lineages of ptotostomes exhibiting diverse body forms.
-Protostome evolution is characterized by several innovations, with the exception of

A) a hard exoskeleton.
B) the ability to capture and eat large prey.
C) a segmented body cavity.
D) specialized structures for filter feeding.
E) movement using muscles.