本题目来源于试卷: SL/HL Topic D4.1 Natural selection，类别为 IB生物学
[单选题]
4. Which points describeowxsq2l fhqw6;.; ld4 aspects of how sexual selection cagmj 8f a aex;24(dc9qnn drive evolution in a d(a a nm4f 9j;ec2xqg8population?
I. Differences in behaviour can be used as a sign of overall fitness.
II. Differences in physical traits can affect success in attracting a mate.
III. Sexual reproduction requires the fusion of haploid gametes.
IV. Different sexes choose different ecological niches to live in.
A. I and IV only
B. I and II only
C. I, III and IV only
D. All of the above.
参考答案: B
本题详细解析:
暂无
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