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OpenStudy (anonymous):
A biologist wants to show the phylogenetic link between annelids and other more complex animals. Which fact would best support his claim? I.the presence of a brain and nervous system II.the presence of a true coelom III.the presence of a one-way digestive tract IV.the presence of cephalization A. I and II B. II and III C. I, II, and IV D. I, II, III, and IV
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OpenStudy (anonymous):
the answer is D.
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