Mutualism Commensalism Parasitic

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What is mutualism?

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A type of symbiotic relationship where both species benefit from the interaction.

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What is commensalism?

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A type of symbiotic relationship where one species benefits and the other is neither helped nor harmed.

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What is parasitism?

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A type of symbiotic relationship where one species benefits at the expense of the other.

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Define competition in ecology.

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Occurs when two or more organisms use the same resource, leading to a struggle for survival.

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What is symbiosis?

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A close long-term association between two or more species, which can be mutualistic, commensalistic, or parasitic.

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Example of mutualism:

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Red-billed oxpeckers feeding on parasites found on impalas.

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Example of commensalism:

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Cattle egrets feeding on insects stirred up by cattle without affecting the cattle.

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Example of parasitism:

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A tick feeding on the blood of a mammal.

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What is an ecological niche?

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The role and position a species has in its environment, including all interactions with biotic and abiotic factors.

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What is a resource in ecology?

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Any substance or object that an organism needs to survive, such as food, water, and shelter.