题目
单项选择题
Which of the following is not a category of ecosystem services?
选项
A.a. Provisioning services
B.b. Cultural services
C.c. Regulating services
D.d. Support services
E.e. Social services
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标准答案
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思路分析
First, let's lay out the landscape of ecosystem services as commonly categorized in ecological literature. Provisioning services refer to tangible resources like food, water, and medicine that ecosystems provide. Cultural services encompass non-material benefits such as recreational, aesthetic, and spiritual values. Regulating services involve the regulation of ecosystem proce......Login to view full explanation登录即可查看完整答案
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