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Coelomate Invertebrates MCQ test question bank with answer

1). Of the mollusks, snails are in the class of a). gastropods. b). bivalves. c). cephalopods. d). chitons. Answer: a 2). A mantle is a). present only in bivalves. b). a structure that acts as a lung or contains gills. c). a rasping, tonguelike organ in mollusks. d). necessary for …

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Noncoelomate Invertebrates MCQ test question bank with answer

1). The traditional animal family tree places more significance on body plan (the presence of a coelom) while the rRNA tree places more significance on a). embryological development patterns. b). whether or not the animal molts. c). symmetry. d). all of these. Answer: b 2). A key evolutionary development seen …

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