The ancestor of the animal clade was probably a(n)
A) ctenophore.
B) triploblastic acoelomate with spiral cleavage.
C) ciliated protist.
D) colonial flagellated protist.
E) amoeba.
Correct Answer:
Verified
Q13: Which characteristic helps distinguishes deuterostomes from protostomes?
A)
Q14: Cephalization is most commonly associated with
A) spherical
Q15: The presence of which feature(s)would prevent an
Q16: Which structure(s)can be involved in generating an
Q17: What is the main difference between a
Q21: Which characteristic is not associated with a
Q22: Which feature is an adaptation found in
Q23: You discover a new organism with the
Q29: A pseudocoelomate animal lacks a
A) body cavity.
B)
Q30: The body cavity of coelomate animals develops
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