Multiple Choice
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.
Correct Answer:
Verified
Correct Answer:
Verified
Q4: You find a new species of worm
Q21: The protostome developmental sequence arose just once
Q22: Among protostomes, which morphological trait has shown
Q23: Use the table to answer the question.<br>Proposed
Q25: The fact that choanoflagellates and collar cells
Q26: Why might researchers choose to use molecular
Q27: What is the probable sequence in which
Q28: One hypothesis suggests that the Cambrian explosion
Q29: Use the table to answer the following
Q57: The larvae of some insects are merely