Changes to 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 each other and their physical environment (air, water, soil).

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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, starting from producers to consumers.

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What are producers in an ecosystem?

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Producers are organisms, like plants, that make their own food through photosynthesis and provide energy for other organisms.

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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 (plant-eaters), carnivores (meat-eaters), or omnivores (both).

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What is a herbivore?

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A herbivore is an animal that primarily eats plants.

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What is a carnivore?

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A carnivore is an animal that primarily eats other animals.

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What is an omnivore?

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An omnivore is an animal that eats both plants and animals.

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What is biodiversity?

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Biodiversity refers to the variety of living organisms in a particular ecosystem, including different species of plants, animals, and microorganisms.

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What is an invasive species?

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An invasive species is a non-native organism that, when introduced to a new environment, can cause harm to the ecosystem, economy, or human health.

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What is overfishing?

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Overfishing is the practice of catching too many fish at once, leading to a decline in fish populations and disrupting the marine ecosystem.