Energy and Ecosystems

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What is an omnivore?

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An omnivore is an organism that eats both plants and animals. They are considered consumers in an ecosystem.

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What is a consumer in an ecosystem?

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A consumer is an organism that cannot produce its own food and must eat other organisms (plants or animals) for energy.

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What is a producer in an ecosystem?

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A producer is an organism that can make its own food through photosynthesis, such as plants and phytoplankton.

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What is photosynthesis?

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Photosynthesis is the process by which green plants and some other organisms use sunlight to synthesize foods with the help of chlorophyll.

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What is a carnivore?

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A carnivore is an organism that primarily eats meat. They are often top-level consumers in a food chain.

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What is a herbivore?

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A herbivore is an organism that primarily eats plants. They are considered primary consumers in an ecosystem.

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What is an energy pyramid?

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An energy pyramid is a diagram that shows the amount of energy that moves from one trophic level to another in a food chain.

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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 decomposer?

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A decomposer is an organism that breaks down dead or decaying organisms, returning nutrients to the soil.

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What is the role of phytoplankton in an ecosystem?

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Phytoplankton are producers that use photosynthesis to create energy, forming the base of many aquatic food webs.