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The Living World 8th Edition by George Johnson
Edition 8ISBN: 978-0078024214The Living World 8th Edition by George Johnson
Edition 8ISBN: 978-0078024214 Exercise 9
In modern phylogenetic analysis of the animals, the protostomes are divided into two major groups based on what characteristic?
A) body symmetry
B) presence of a head
C) ability to molt
D) presence vertebrae
In the new phylogeny, arthropods and nematodes are both Ecdysozoa. Does this mean the coelom evolved more than once?
A) body symmetry
B) presence of a head
C) ability to molt
D) presence vertebrae
In the new phylogeny, arthropods and nematodes are both Ecdysozoa. Does this mean the coelom evolved more than once?
Explanation
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Verified
The original protostome group has been b...
The Living World 8th Edition by George Johnson
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