Multiple Choice
The __________ serves as an inlet into the water vascular system.
A) Tiedemann's body
B) Polian vesicle
C) radial canal
D) madreporite
E) ring canal
Correct Answer:
Verified
Correct Answer:
Verified
Q33: Many echinoderms from this class produce toxins
Q34: The ciliated larva of an acorn worm
Q35: The characteristic larva of the echinoids is
Q36: Members of the echinoderm class _ are
Q37: Modern adult echinoderms have a form of
Q39: Ambulacrarians and chordates are united into the
Q40: Of the following structures found in sea
Q41: The anterior region of the digestive tract
Q42: The echinoderms and hemichordates are<br>A)asymmetrical.<br>B)diploblastic.<br>C)deuterostomes.<br>D)ecdysozoans.<br>E)lophotrochozoans.
Q43: Nutritionally,pterobranchs are<br>A)filter feeders.<br>B)parasitic.<br>C)mutualistic.<br>D)commensalists<br>E)predators.