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 that could describe a species' nich9+osf 7rpsf -ne v1:noa-2 :yowt w*zc+pjs(oo.What is Factor 1 ;Factor 2;Factor owczano 2t :1 v: opw-*jyo+s(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 resourcesme17qs8v cw j0, abiotic and biotic factors in which a species can survive and the interactions that s7e1q mv0cj8wit 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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