An arthropod would not have
A) a blastopore during development.
B) a pseudocoelom.
C) mesoderm.
D) jointed appendages.
E) an exoskeleton.
Correct Answer:
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Q27: Egg-laying mammals are known as
A) marsupials.
B) ectotherms.
C)
Q29: The exoskeleton of an arthropod is composed
Q34: Which organism does not posses features that
Q36: Birds are not
A) reptiles.
B) ectothermic.
C) amniotes.
D) chordates.
E)
Q36: Which of the following are invertebrate chordates?
A)
Q37: Amphibians are the descendants of
A) ray-finned fishes.
B)
Q52: Which feature places cnidarians as eumetazoans?
A) Cnidarians
Q53: Why are developmental biologists especially interested in
Q57: Molluscs are
A) deuterostomes.
B) acoelomates.
C) protostomes.
D) pseudocoelomates.
E) segmented.
Q59: The closest living relatives of modern humans
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