Multiple Choice
When a starfish,a type of echinoderm,is resting on the seafloor,its _______ face(s) the seafloor,whereas the _______ is on the upper surface of the animal.
A) mouth;anus
B) tube canal;mouth
C) tube feet;anus
D) anus;tube feet
E) mouth;tube canal
Correct Answer:
Verified
Correct Answer:
Verified
Q25: Many lineages of lophotrochozoans have a free-living
Q26: You are in a tropical forest and
Q27: The centipedes and millipedes belong to which
Q30: What is the main difference between a
Q31: Prototherians differ from other mammals in that
Q32: Homo sapiens expanded out of Africa about
Q33: The terms "acoelomate," "pseudocoelomate," and "coelomate" refer
Q34: Organisms of which group are probably most
Q39: Which arthropod group includes the dragonflies?<br>A) Myriapods<br>B)
Q64: A pseudocoelomate animal lacks a<br>A) body cavity.<br>B)