Multiple Choice
The protostome developmental sequence arose just once in evolutionary history, resulting in two main subgroups-Lophotrochozoa and Ecdysozoa. What does this finding suggest?
A) These two subgroups have a common ancestor that was a protostome.
B) Division of these two groups occurred after the protostome developmental sequence appeared.
C) The protostomes are a monophyletic group.
D) All of the above apply.
Correct Answer:
Verified
Correct Answer:
Verified
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