A representation of the organisms in an ecosystem organized into separate trophic levels with producers at the bottom and top predators at the top

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An increase in the average temperature of Earth's atmosphere, especially a sustained increase great enough to cause changes in the global climate

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An organism that consumes both animals and plants.

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An organism that obtains its energy from an abiotic source, such as sunlight or inorganic chemicals

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Animals that eat other animals

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A complex of interconnected food chains showing the trophic interactions in an ecosystem

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A condition that occurs when two or more organisms compete for the same resources within an ecological community

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A diagram to show the amount of mass present at each trophic level

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An organism that is captured and consumed by another organism for nourishment

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A long-term relationship between two different kinds of organisms where one or both receive benefit

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A relationship between organisms of different species where one organism benefits at the expense of the other

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A relationship between organisms of different species where both organisms benefit

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A representation of an ecological community showing the total amount of energy contained within each trophic level

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A symbiotic relationship where one organism benefits and the other organism is neither harmed nor helped

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An organism that captures and consumes another organism for nourishment

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An organism that must consume other organisms for energy

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Organisms such as bacteria and fungi that break down the remains of dead plants and animals without need for internal digestion.

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Organisms that consume only plants

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The continuous movement of carbon in and among the abiotic environment and living things

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The interaction between two animals in which one animal eats the other

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The position an organism occupies on the food web

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The process by which nitrogen is converted between various chemical forms as it cycles among the soil, biosphere, lithosphere, and atmosphere

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