Ecosystems Review

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What is an ecosystem?

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An ecosystem is a community of living organisms (plants, animals, and microorganisms) interacting with their physical environment (air, water, soil) in a specific area.

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What is a habitat?

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A habitat is the natural environment where an organism lives, providing food, shelter, and mates for reproduction.

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What is a niche?

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A niche is the role or function of an organism within its ecosystem, including how it gets its food, where it lives, and how it interacts with other organisms.

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What is a food web?

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A food web is a complex network of feeding relationships among various organisms in an ecosystem, showing how energy and nutrients flow.

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What is a community in ecological terms?

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A community is made up of all the populations of different species that live and interact in a particular area.

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What is a population?

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

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What is a producer?

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A producer is an organism, usually a plant, that can make its own food through photosynthesis.

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What is a consumer?

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A consumer is an organism that cannot make its own food and must eat other organisms for energy.

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What is a decomposer?

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A decomposer is an organism, such as bacteria or fungi, that breaks down dead organic material, returning nutrients to the soil.

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What is the flow of energy in a food chain?

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Energy flows from producers to consumers and then to decomposers in a food chain.