Multiple Choice
The important innovation that evolved from the gill arches of jawless fishes and is retained by chondrichthyans, ray-finned fishes, coelacanths, lungfishes, and tetrapods is
A) heavily armored skin.
B) the jaw.
C) fins.
D) the ability to swim.
E) the vertebral column.
Correct Answer:
Verified
Correct Answer:
Verified
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