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 (soil, water, and air).

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What are producers in an ecosystem?

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Producers are organisms that create their own food through photosynthesis, such as plants and algae.

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What are consumers in an ecosystem?

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Consumers are organisms that eat other organisms for energy. They can be herbivores, carnivores, or omnivores.

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What are decomposers?

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Decomposers are organisms, like fungi and bacteria, that break down dead organisms and recycle nutrients back into the ecosystem.

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What role do plants play in a food web?

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Plants are producers that provide energy for consumers in a food web.

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What is a food chain?

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A food chain is a linear sequence that shows how energy and nutrients flow from one organism to another in an ecosystem.

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What is a food web?

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A food web is a complex network of interconnected food chains in an ecosystem, showing how different organisms are related.

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How do predators affect prey populations?

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Predators help control prey populations by keeping them in balance, preventing overpopulation.

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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 biodiversity?

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Biodiversity refers to the variety of living organisms in an ecosystem, including different species, genetic variations, and ecosystems.