Ecosystems

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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 are producers in an ecosystem?

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Producers are organisms that make their own food, usually through photosynthesis, like plants and trees.

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What are consumers in an ecosystem?

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Consumers are organisms that eat other organisms for energy. They cannot make their own food.

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What are decomposers?

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Decomposers are organisms like fungi and bacteria that break down dead plants and animals, returning nutrients to the soil.

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How do human activities affect ecosystems?

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Human activities, such as deforestation, pollution, and urbanization, can harm ecosystems by destroying habitats and reducing biodiversity.

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What happens if a primary producer is removed from a food chain?

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If a primary producer is removed, it can disrupt the entire food chain, leading to a decrease in the population of consumers.

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What is a food chain?

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

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What role do plants play in an ecosystem?

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Plants are primary producers that provide food and oxygen for other organisms in the ecosystem.

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What is biodiversity?

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Biodiversity refers to the variety of different species of plants, animals, and microorganisms in an ecosystem.

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Why are decomposers important in an ecosystem?

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Decomposers are important because they recycle nutrients back into the soil, making them available for plants to use.