Examlex
A distinguishing feature of mollusks is the _______, a sheet of specialized tissue that covers the internal organs like a body wall, and that also secretes a shell.
Q84: The immature stages of insects between molts
Q87: A _ that develops from mesodermal pockets
Q105: Sponges differ from other animals in that
Q111: The group of modern legless reptiles composed
Q125: Genetic evidence suggests that limited interbreeding occurred
Q147: Animals with a coelom have an advantage
Q154: The body cavity of coelomate animals develops
Q161: The diversification of insects about 450 million
Q166: Diploblastic animals typically show _ symmetry.
Q170: A member of the protostome group of