Multiple Choice
Enteropneusta are wormlike as adults and pterobranchia live attached to the substrate.Which of the following are similarities that warrant their inclusion in the common phylum Hemichordata? Check all that apply.
A) Ciliated pharyngeal slits
B) Tripartite coelom
C) Dorsal nervous system
D) Similar feeding habits
Correct Answer:
Verified
Correct Answer:
Verified
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
Q47: The circulatory system of enteropneusts sends blood
Q48: Which of the following echinoderms may contain
Q49: Enteropneusta and Pterobranchia are classes of animals
Q50: When feeding on a bivalve,a sea star
Q51: In sea stars,thin folds of the body