Multiple Choice
Of the following structures found in sea stars,which one is also present in brittle stars?
A) pedicellariae
B) tube feet
C) dermal branchiae
D) aboral madreporite
E) ampullae
Correct Answer:
Verified
Correct Answer:
Verified
Q35: The characteristic larva of the echinoids is
Q36: Members of the echinoderm class _ are
Q37: Modern adult echinoderms have a form of
Q38: The _ serves as an inlet into
Q39: Ambulacrarians and chordates are united into the
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.
Q44: Acorn worms belong to the class<br>A)Ascidacea.<br>B)Concentricycloidea.<br>C)Pterobranchia.<br>D)Enteropneusta.<br>E)Thaliacea.
Q45: Exchange of respiratory gases in enteropneusts is