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Diploblastic Animals, Such as Cnidarians and ____, Have Only Two

Question 51

Multiple Choice

Diploblastic animals, such as cnidarians and ____, have only two germ layers, ectoderm and ____.

A) sponges; ectoderm
B) sponges; mesoderm
C) ctenophores; mesoderm
D) ctenophores; endoderm
E) ctenophores; metaderm

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