We are currently in the ____.
A) Archaean eon
B) Proterozoic eon
C) Paleozoic era
D) Mesozoic era
E) Cenozoic era
Correct Answer:
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Q7: According to Darwin, natural selection is based
Q8: Through _, a body part of an
Q9: Which habitat is most likely to be
Q10: Thomas Malthus proposed that _.
A)species gradually improved
Q11: Q13: Possible evolutionary relationships, when determined solely by Q14: What popular belief of the time did Q15: When nineteenth century scientists compared desert plants, Q16: Which naturalist proposed that many species that Q17: Homologous structures share _.
A)function
B)all the same bones
C)ancestry
D)size
E)shape
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