Types of Living Things and Their Roles

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What are producers?

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Producers are living things that make their own energy from the sun, primarily through photosynthesis. Examples include plants and algae.

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What are consumers?

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Consumers are living things that cannot make their own energy and must eat other organisms for energy. They can be primary (herbivores) or secondary (carnivores).

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What are decomposers?

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

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What are abiotic factors?

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Abiotic factors are non-living things that interact with living organisms. Examples include rocks, water, sunlight, and air.

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What role do secondary consumers play in an ecosystem?

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Secondary consumers help control the population of primary consumers, preventing overpopulation and maintaining balance in the ecosystem.

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True or False: All producers live on land.

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False: In fact, most of the oxygen on Earth comes from the oceans, where many producers like phytoplankton live.

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What is the role of scavengers in an ecosystem?

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Scavengers are organisms that consume dead animals and plants, helping to clean up the environment and recycle nutrients.

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What is photosynthesis?

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Photosynthesis is the process by which producers convert sunlight into energy, using carbon dioxide and water to produce glucose and oxygen.

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What is the 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 that illustrates how different organisms are related in an ecosystem.