Unit 8 Ecosystems

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What is an ecosystem?

Back

An ecosystem is a community of living organisms (biotic factors) interacting with their physical environment (abiotic factors) in a specific area.

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What is a population?

Back

A population is a group of individuals of the same species living in a specific area at the same time.

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What is a community?

Back

A community is made up of different populations of various species that live and interact in a specific area.

Front

What is the difference between biotic and abiotic factors?

Back

Biotic factors are the living components of an ecosystem (like plants and animals), while abiotic factors are the non-living components (like water, soil, and climate).

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What is predation?

Back

Predation is an interaction where one organism (the predator) hunts and eats another organism (the prey).

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What is parasitism?

Back

Parasitism is a relationship where one organism (the parasite) benefits at the expense of another organism (the host).

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What is commensalism?

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Commensalism is a type of interaction where one organism benefits while the other is neither helped nor harmed.

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What is competition in an ecosystem?

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Competition occurs when two or more organisms vie for the same resources (like food, space, or mates) in an ecosystem.

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What is mutualism?

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Mutualism is a symbiotic relationship where both organisms benefit from the interaction.

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What does heterotrophic mean?

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Heterotrophic organisms cannot produce their own food and must consume other organisms for energy.