Ecosystems Summative 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 role do producers play in an ecosystem?

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Producers, like plants, create their own food through photosynthesis and provide energy for consumers.

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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 is the function of decomposers?

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Decomposers break down dead organisms and waste, returning nutrients to the soil.

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How does a change in one population affect others in an ecosystem?

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Changes in one population can impact others due to interdependence; for example, if a predator's prey decreases, the predator's population may also decline.

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What happens if a species becomes extinct?

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If a species becomes extinct, it can disrupt the food web and affect the populations of other species that rely on it.

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What is a food web?

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A food web is a complex network of feeding relationships among organisms in an ecosystem.

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What is habitat destruction?

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Habitat destruction occurs when natural environments are altered or destroyed, impacting the species that live there.

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What is biodiversity?

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Biodiversity refers to the variety of life in a particular habitat or ecosystem, including the number of different species.

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What is a predator?

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A predator is an animal that hunts and eats other animals for food.