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book The Living World 8th Edition by George Johnson cover

The Living World 8th Edition by George Johnson

Edition 8ISBN: 978-0078024214
book The Living World 8th Edition by George Johnson cover

The Living World 8th Edition by George Johnson

Edition 8ISBN: 978-0078024214
Exercise 18
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
B) endoderm; mesoderm
C) ectoderm; endoderm
D) endoderm; ectoderm
Explanation
Verified
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The digestive tract of annelids is suspe...

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The Living World 8th Edition by George Johnson
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