Natural selection works on preexisting variation in a population.
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Q2: Deoxyribonucleic acid (DNA)
A)was studied during Darwin's lifetime.
B)is
Q3: Thomas Henry Huxley was a fierce opponent
Q3: The evolutionary synthesis
A)occurred in 1900 immediately after
Q4: Mutation is the only source of new
Q4: James Hutton is associated with:
A) adaptation.
B) catastrophism.
C)
Q6: Like most of his contemporaries,Charles Darwin believed
Q9: Why is the work of Alfred Russell
Q11: Organisms classified in two different biological orders
Q15: Charles Darwin's book On the Origin of
Q17: According to Darwin,natural selection operates at the
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