Humans still have body hair even though it is greatly reduced and serves little function. The hair is a(n) :
A) analogous structure.
B) homologous structure.
C) vestigial structure.
D) adaptation.
E) mutation.
Correct Answer:
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Q31: Which of the four postulates of Darwin's
Q32: The theory of natural selection states that:
A)all
Q33: Natural selection can act on a certain
Q34: Which of the following are vestigial structures?
A)fish
Q35: Which mutation provides a survival advantage?
A)a flower
Q37: What English economist wrote that the human
Q38: An emu is a flightless bird that
Q39: Some animal species found in caves have
Q40: Where are the Galápagos Islands?
A)off the west
Q41: Charles Darwin believed that artificial selection was:
A)impossible.
B)unimportant.
C)a
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