Question
Flatworms, annelids, and roundworms are all ________.a. arthropodsb. aceolomatec. protostomesd. radially symmetrical
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Arthropods are invertebrate animals having an exoskeleton, a segmented body, and paired jointed appendages. Acoelomate is an animal that does not possess a body cavity. Protostomes are a lineage of bilateral animals in which the first opening on the surface Show more…
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