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]
Describe the concept q 5qjmk9wh- ,xo hm++sl;w7m mxf "zonation’’by choosing one or more statements from the followi lh ;smw7mxm++ng.
I. Zonation is the changes in communities along an ecological gradient such as changes in altitude up a mountainside.
II. Zonation is normally studied using transect methods along the environmental gradient.
III. Environmental changes as applicable to zonation are linear changes of biotic or abiotic factors. Distinct communities form as these factors change.
A. Statement I only
B. Statement I and II only
C. Statement I, II and III
D. Statement III only
参考答案: C
本题详细解析:
All the statements are correct and kqv)u u9op(2 vapplicable to the term ‘‘zonation’
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