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]
The Arctic cod, ringed seal, killer whale, polar bear 5hnbg36bc-c j/n 4hgnand other orgjdzx o8t.-wz z,,3sgeanisms live and interact with each other in t- jz .,zgde3to wx,sz8he cold waters of the Arctic Ocean.
State the best term to describe them.
A. Population
B. Community
C. Habitat
D. Ecosystem
参考答案: B
本题详细解析:
A community is a group ofaf-g3;pap:+xcou -le populations living and interacting in a shared habitat (biotic factors). The abiotic factors for this community have not been described but could be the depth of the water, light intensity and the nutrients available for phyfa a;o-3gcx- + lu:ppetoplankton.
A population (Option A) is a group of organisms of the same species living in the same area at the same time which can interbreed.
A habitat (Option C) refers to the environment in which a species normally lives.
An ecosystem (Option D) is a group of populations living and interacting in a common habitat and includes both biotic and abiotic factors.
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