本题目来源于试卷: Interaction & Interdependence C.8 Populations & Communities，类别为 IB生物学
[单选题]
The Arctic cod, ringed seal, killer whale, polar bear:c /eaa g)gz/w6epitz( 8 xhm( and other oty h:2) 4gvvf (tzru6urganisms live and interact with each other in the cold waters of the Arctic Ocean. v:(u)ru4fgy z6vht 2t Which of the following terms best describes them?
A. Population
B. Community
C. Habitat
D. Ecosystem
参考答案: B
本题详细解析:
Explanation: A community is a group of 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 phytoplankton. A population (Choice A) is a group of organisms of the same species living in the same area at the same time which can interbreed. A habitat (Choice C) refers to the environment in which a species normally lives. An ecosystem (Choice D) is a group of populations living and interacting in a common habitat and includes both biotic and abiotic factors.
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