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]
List three factors thatw8 k,tv w(ogrj 6,pc3a could describe a speciek0wq-tiui7s1 qx*j ra* cz*. ns' niche.What is Factor 1 ;Factor 2jt.* 1*wquqs*0c ikxnaiz- r7;Factor 3?
A. predators;altitude;salinity
B. prey;genetics;precipitation
C. herbivores;competitors;photosynthesis
D. speciation;parasites;temperature
参考答案: A
本题详细解析:
Niche: the set of resources, abiotic and biotic factors u2 sx./7z33ug hjnyq0wqyw-b biv (3f in which a species can survive and the interactiy b2jbvh i/ wf30-yzusn3.7 ux(gwqq3 ons that it has with them. Abiotic factors: physical parts of an environment, e.g. altitude, salinity, precipitation and temperature. Biotic factors: living parts of an environment, e.g. predators, prey, herbivores, competitors, and parasites amongst others. Genetics: determines how a species looks and acts but does not describe the environmental conditions with which a species interacts. Photosynthesis: the process by which plants convert sunlight into chemical energy. It is an amazing ability of plants but does not describe the environmental conditions with which a species interacts. Speciation: the process by which a new species is formed. It does not describe the environmental conditions with which a species interacts.
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