本题目来源于试卷: SL/HL Topic D4.1 Natural selection,类别为 IB生物学
[问答题]
a. Suggest why males;tvioh1e0 2gyyj. ( fa 52gph*;n2b8n /+mvyf b5no yvkqs qp2 from an area of high predation would have dull grey colourationgmnkv5p /b52qv2+syb ;nq8n* pyh of2.
参考答案: Any one of these points for 1 mark:
Predators most likely to feed on bright coloured fish
Bright coloured fish less likely to survive.
Dull colours less likely to be predated.
The dull colour had formed due to natural selection to avoid predators.
本题详细解析:
暂无
|