Georges Cuvier's discovery of fossils of Irish elk and giant ground sloths:
a) was possible only following Darwin's publication of The Origin of Species.
b) was made in deep ocean trenches.
c) suggested that species were immutable.
d) was possible because of Buffon's determination that the earth was more than 6,000 years old.
e) demonstrated that extinction must occur.
Ans: e) demonstrated that extinction must occur.
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