Human Impact on the Environment — Unit test

Question 10 • SC332 Environmental Science B

Which best describes how an organism’s niche is determined?

Answer

An organism's habitat and inherited traits determine its niche by influencing how it interacts with the environment and other organisms.

An organism’s reproductive rate and population size determine its niche in an ecosystem.

An organism's physical size and strength determine its niche by helping it dominate other species.

An organism's location and prey determine its nice, regardless of its behaviors or traits.

Explanation

An organism’s niche is its role in an ecosystem, including how it uses resources and interacts with other organisms and its environment. Its habitat and inherited traits influence those interactions, so choice A best describes how a niche is determined. Population size or physical dominance alone does not define a niche.

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