本题目来源于试卷: IB ESS Unit 2: Ecosystems & Ecology,类别为 IB环境系统与社会
[单选题]
Figure: A quadrat in a f d;(s:8l*srwhr yu,fzield a w:;7jxd4ny :g:kcq m
The Figure shows a field with small yellow and medium blue flowers, as well as some four-leaf clover.
Calculate the percentage frequency of the small yellow flowers.
A. 15%
B. 17%
C. 19%
D. 32%
参考答案: A
本题详细解析:
Fifteen of the squarmuus 4kul1: g2es in the quadrat have one or two small yellow flowers in them. There are 100 squares in total. Thus, option A is 4uugl1 u2 k:mscorrect.
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