Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN: 9780134580999
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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Question

One difference between the pseudocoel found in the phylum
Nematoda (roundworms) and the coelom found in the
phylum Annelida (segmented worms) is that the pseudocoel
develops between the mesoderm and the _____________
in roundworms, and the coelom develops within the
_____________ in segmented worms.
a. ectoderm; mesoderm c. ectoderm; endoderm
b. endoderm; mesoderm d. endoderm; ectoderm

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