The common ancestor of the protostomes had a coelom. What does this suggest?
A) All lophotrochozoans have a coelom.
B) There are no pseudocoelomates within the protostomes.
C) There are no acoelomates within the protostomes.
D) The body cavity evolved before the lophophore.
Answer: D
Biology & Microbiology
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What will be an ideal response?
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