객관식
Which term describes the first plants and animals to inhabit a newly available ecosystem?
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48. Ecology
Introduction to Ecology
객관식
An organism's role in an ecosystem is called its ________.
A
niche
B
habitat
C
community
D
population
검증된 단계별 안내1
Understand the key terms in the question: 'niche,' 'habitat,' 'community,' and 'population.' Each term has a specific meaning in ecology, which will help identify the correct answer.
Define 'niche': A niche refers to the role or function of an organism within its ecosystem, including its interactions with other organisms and its environment (e.g., what it eats, where it lives, and how it contributes to the ecosystem).
Define 'habitat': A habitat is the physical environment where an organism lives, such as a forest, desert, or ocean. It is not the same as the organism's role in the ecosystem.
Define 'community': A community consists of all the populations of different species living and interacting in a specific area. It describes a group of organisms, not the role of a single organism.
Define 'population': A population is a group of individuals of the same species living in a specific area. It does not describe the role of an individual organism in the ecosystem. Based on these definitions, the correct term for an organism's role in an ecosystem is 'niche.'
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