Multiple Choice
The terms "acoelomate," "pseudocoelomate," and "coelomate" refer to
A) levels of cephalization.
B) the origin of the blastopore.
C) ectoderm,mesoderm,and endoderm,respectively.
D) the body cavity of animals.
E) the vertebrate body plan.
Correct Answer:
Verified
Correct Answer:
Verified
Q29: When a starfish,a type of echinoderm,is resting
Q30: What is the main difference between a
Q31: Prototherians differ from other mammals in that
Q32: Homo sapiens expanded out of Africa about
Q34: Organisms of which group are probably most
Q37: The chondrichthyans,including sharks,skates,rays,and chimaeras,<br>A) are hagfishes.<br>B) have
Q38: Which statement about spider webs and threads
Q39: Which arthropod group includes the dragonflies?<br>A) Myriapods<br>B)
Q110: Which body part in a mollusk secretes
Q168: Bilaterally symmetrical animals can be divided into