环境生态学（双语）章节测试课后答案2024春

任务七测试

1.A group of species that coexist in a space and time and interact with one another directly or indirectly is called community.（ ）
A:对 B:错
答案:A
2.Places where many species reach the edges of their distributions is called Ecotons.（ ）
A:错 B:对 3.The indirect effects of consumer-resource interactions extend through additional trophic levels of a community is called Trophic cascade.（ ）
A:对 B:错 4.A species that has a disproportionate不成比例impact on the community relative to its abundance is called Keystone species.（ ）
A:对 B:错 5.Relative abundance means counting all individuals of each species in a number of sample plots within a community and determining what percentage each contributes to the total number of individual of all species. ( )
A:错 B:对 6.Species richness means number of species within the community. ( )
A:错 B:对 7.Energy flow web means connections between species are quantified by the flux of energy between a resource and its consumer. ( )
A:错 B:对 8.Functional web means influence on the growth rate of other species population. ( )
A:对 B:错 9.Connectedness web emphasize feeding relationships among species, portrayed描绘as links in food web. ( )
A:错 B:对