Flow of Energy

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What is an Ecological Pyramid?

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A graphical representation that shows the distribution of biomass, numbers, or energy among trophic levels in an ecosystem.

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What are Trophic Levels?

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Levels in an ecological pyramid that include all organisms that share the same place in a food chain.

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Define Autotroph.

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Organisms that produce their own food, primarily through photosynthesis; examples include plants and algae.

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What are Biotic Factors?

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Parts of an ecosystem that are living or deal with the living, including producers, consumers, decomposers, and interactions like predation and competition.

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What is the Carbon Cycle?

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The flow of carbon from the atmosphere to plants, to animals, to the soil, and back into the atmosphere.

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Define Trophic Relationships.

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Interactions in which one organism consumes another organism, forming a part of the food chain.

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What is a Consumer?

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An organism that obtains energy by feeding on other organisms; includes herbivores, carnivores, and omnivores.

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What is a Decomposer?

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Organisms that break down dead or decaying organisms, returning nutrients to the ecosystem.

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What is Photosynthesis?

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

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Define Heterotroph.

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Organisms that cannot produce their own food and must consume other organisms for energy.