AP Biology - Ecology

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What is a population in ecology?

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A population is a group of individuals of the same species that live in the same area and interact with one another.

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What are limiting factors?

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Limiting factors are scarce resources that limit the size of a population.

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Define symbiosis.

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Symbiosis is a relationship in which two species live closely together, often benefiting from the interaction.

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What is carrying capacity?

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Carrying capacity is the maximum number of individuals of a species that an environment can sustainably support.

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What happens when two species occupy the same niche?

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One species will either alter their niche or be eliminated.

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What is an ecosystem?

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An ecosystem is a community of living organisms interacting with their physical environment.

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Define community in ecological terms.

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A community is a group of different species that live together in one area.

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What is mutualism?

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Mutualism is a type of symbiotic relationship where both species benefit from the interaction.

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What is the difference between a habitat and a niche?

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A habitat is the physical environment where an organism lives, while a niche is the role or function of that organism within its ecosystem.

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What are abiotic factors?

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Abiotic factors are non-living chemical and physical parts of the environment that affect living organisms.