本题目来源于试卷: Continuity and Change D.10 Natural Selection,类别为 IB生物学
[单选题]
Which of the following (i:dhv;2r48 s t5 edil5fiiuv7 cg:hmiden wl wgwvt+k3:u-*f a8rtifies a similarity and difference between natural selection and selective bree 8-vwwlu3w* fk+:atg rding?
A.
B.
C.
D.
参考答案: A
本题详细解析:
Choice A is correct because in both selective breeding and natural selection, favourable characteristics are “selected”, by either the environment (natural selection) or humans (selective breeding). Choice B is incorrect because natural selection doesn’t increase variation, it influences the proportion of existing variants. Choices C and D are incorrect because natural selection is not controlled by humans and does not contribute to the domestication of animals.
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