2-1 Organisms and Their Relationships

Front

What is an ecosystem?

Back

A biological community and all of the abiotic factors that affect it.

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What is predation?

Back

One organism pursuing and consuming another organism for food.

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What is symbiosis?

Back

The close relationship that exists when two or more species live together.

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What is mutualism?

Back

The relationship between two or more organisms that live closely together and benefit from each other.

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What are biotic factors?

Back

The living factors in an organism's environment.

Front

What are abiotic factors?

Back

The non-living physical and chemical elements in an ecosystem, such as sunlight, water, and minerals.

Front

What is a biome?

Back

A large geographical biotic unit, a major community of plants and animals with similar life forms and environmental conditions.

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What is a biosphere?

Back

The global sum of all ecosystems; the zone of life on Earth.

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What is a population?

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A group of individuals of the same species living in a specific area.

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What is commensalism?

Back

A type of symbiotic relationship where one organism benefits and the other is neither helped nor harmed.