Multiple Choice
During chordate evolution,what is the sequence (from earliest to most recent) in which the following structures arose?
1) amniotic egg
2) paired fins
3) jaws
4) four-chambered heart
A) 2,3,1,4
B) 3,2,1,4
C) 4,1,3,2
D) 2,1,3,4
E) 1,3,2,4
Correct Answer:
Verified
Correct Answer:
Verified
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