本题目来源于试卷: Continuity and Change D.7 Reproduction，类别为 IB生物学
[单选题]
Which of the following is an adxq.zjnwa 27- ,p k)m7fwqfh) yvantage of exterd)pu5*.y5xpc4 iuhh( a h)qa snal fertilization?
A. Predators will consume gametes.
B. Extreme changes in temperature will affect gametes.
C. Greater genetic variation in the offspring.
D. Lower chance of gametes coming in contact for fertilisation.
参考答案: C
本题详细解析:
External fertilization often bypasses the selection of the mates. This, and a greater variety of the gametes (because of the increased number), leads to the greater genetic variation of the offspring as compared to offspring of organisms following the internal fertilisation strategy. Choice C is correct. Choices A, B and D are all disadvantages of external fertilization. Choices A, B and D are incorrect.
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