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 cout . *:g 5nefb0*vhr p6edl;btold describe a species' niche.What is Facv9n)vi8gs 1tq tor 1; Factor 2 v9qit s g8n)v1and 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 in d+jdo k;w0ay du(fd()which a species can survive and the interawa0dd(kyd+( d;u j of)ctions 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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