ecological niche

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4 Terms

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What is an ecological niche?

The role and position a species has in its environment; how it meets its needs for food and shelter, how it survives, and how it reproduces.

2
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What is a fundamental niche?

The full environmental range where a species can survive and reproduce.

3
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What is a realized niche?

The actual environmental range where a species survives and reproduces, accounting for limiting factors like competition.

4
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What is the competitive exclusion principle?

No two species can occupy the same niche in the same environment for an extended period without one outcompeting the other.