Symbiosis

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What is symbiosis?

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Symbiosis is a close relationship between two different species in an ecosystem.

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What is mutualism?

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Mutualism is a type of symbiotic relationship where both species benefit from the interaction.

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What is parasitism?

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Parasitism is a type of symbiotic relationship where one organism benefits at the expense of the other.

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What is commensalism?

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Commensalism is a type of symbiotic relationship where one organism benefits and the other is neither helped nor harmed.

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Example of mutualism: Hummingbirds and flowers.

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Hummingbirds feed on nectar from flowers, and in return, they help pollinate the flowers.

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Example of parasitism: Ticks and deer.

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Ticks feed on deer blood, harming the deer in the process.

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Example of commensalism: Barnacles on whales.

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Barnacles attach to whales, benefiting from the movement of the whale while the whale is not affected.

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What is an ecosystem?

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An ecosystem is a community of living organisms interacting with their environment.

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What is competition in ecology?

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Competition occurs when two or more species compete for the same resources in an ecosystem.

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What is an example of competition?

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Two species of birds competing for the same nesting sites.