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    Biology Study Set 5
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    Exam 33: Animal Diversity and the Evolution of Body Plans
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    Select the Following Phylum That Includes Animals That Are Unsegmented
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Select the Following Phylum That Includes Animals That Are Unsegmented

Question 28

Question 28

Multiple Choice

Select the following phylum that includes animals that are unsegmented, acoelomate, and have a digestive cavity with a single opening.


A) Annelida
B) Platyhelminthes
C) Nematoda
D) Cnidaria

Correct Answer:

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