Four of the following statements are true.Which one is not?
A) Amniotes are the predominant vertebrates on land.
B) Tetrapod vertebrates have four bony limbs.
C) All chordate embryos have a notochord, a dorsal tubular nerve cord.
D) Lancelets and tunicates are the two groups of invertebrate chordates.
E) The backbone and the other skeletal elements are components of the vertebrate exoskeleton.
Correct Answer:
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