Ecology Concepts

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Biodiversity

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A variety of organisms in an ecosystem or biome.

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Carbon cycle

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The process in which carbon atoms are cycled between abiotic and biotic factors on Earth.

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Commensalism

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A symbiotic relationship where one organism benefits while the other organism is unaffected.

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Competition

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A relationship where organisms compete for limited resources.

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Ecosystem stability

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The ability of an ecosystem to be resistant to change and able to return to equilibrium after a disturbance.

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Environmental resilience

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The capacity of an ecosystem to recover quickly from ecological disruptions.

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Mutualism

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A symbiotic relationship where both organisms benefit.

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Nitrogen cycle

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A repeating cycle of processes during which nitrogen moves through both living and nonliving things: the atmosphere, soil, water, plants, animals, and bacteria.

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Parasitism

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A symbiotic relationship where one organism (parasite) benefits by harming the other (host).

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Predation

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A symbiotic relationship where one organism hunts and kills another.