Biodiversity (id: d1b39db8d)

本题目来源于试卷: Biodiversity，类别为 IB环境系统与社会

[单选题]
Figure: Species data for spegkba+(m.)o gv cie;;394zmlm f rkf n(0lahio6z frs,ht)s sampled in two parts of Willow Creek


Willow Creek runs north to south past Happy City. Ecologists want to investigate the effect the city is having on the diversity of the Willow Creek ecosystem.

Calculate Simpson’s Diversity Index for the locations north and south of the city to determine the effect of the city on the creek.

A. Happy City is having a positive impact on creek diversity.
B. Happy City is having a small negative impact on creek diversity.
C. Happy City is having a large negative impact on creek diversity.
D. Happy City is having no impact on creek diversity.


参考答案:  A


本题详细解析:

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