Multiple Choice
Figure 25.2
-Consider the accompanying figure.Four of the following are true statements about the structure indicated by "D." Which statement is false?
A) It first evolved in arthropods.
B) It extends anteriorly into the head region.
C) It provides support for muscle contraction.
D) It is replaced in most adult vertebrates by the vertebral column.
E) It is one of the four exclusive features of chordates.
Correct Answer:

Verified
Correct Answer:
Verified
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