PRACTICE Community Ecology Flashcard

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What is Commensalism?

Back

A symbiotic relationship where one species benefits and the other isn't helped or hurt.

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What happens to the prey population when the predator population increases?

Back

The prey population often decreases.

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What is Symbiosis?

Back

A close interaction (often long-term and/or in physical contact) between two different species.

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What is character displacement?

Back

A phenomenon where two species that compete for the same resources evolve different traits to reduce competition.

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What is Mutualism?

Back

A symbiotic relationship where both species benefit from the interaction.

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What is Parasitism?

Back

A symbiotic relationship where one species benefits at the expense of the other.

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What is Predation?

Back

An interaction where one organism (the predator) kills and eats another organism (the prey).

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What is Biodiversity?

Back

The variety of life in a particular habitat or ecosystem.

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What is the Competitive Exclusion Principle?

Back

The principle stating that two species competing for the same resources cannot coexist at constant population values.

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What is Resource Partitioning?

Back

The process by which competing species use the environment differently to coexist.