题目内容：
生物多样性主要包括（）①生物种类的多样性②生物数量的多样性③生物遗传的多样性④生态系统的多样性
A.②③④
B.①③④
C.①②④
D.①②③
参考答案：
选择题：生物多样性主要包括（）①生物种类的多样性②生物数量的多样性③生物遗传的多样性④生态系统的多样性
- 题目分类：中国大学MOOC慕课
- 题目类型：选择题
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