本题目来源于试卷: Form and Function B.9 Adaptation to Environment,类别为 IB生物学
[单选题]
Rain forests are known to have tall tree7qf12(+zn pj0 b+rjbf9dci sps and a large bi i c-6:5uncjw0( tne5*gpfbquomass with high productivity, despite infertile soils. The grbq (*e g w0n uj-u:56f5ictpncowing conditions have been known to nurture the presence of many interdependent organisms. These species also interact with the physical environment they inhabit.
Which of the following is described here?
A. A habitat
B. An ecosystem
C. A population
D. A community
参考答案: B
本题详细解析:

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