Predation Competition & Symbiosis

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What is predation?

Back

Predation is an interaction where one organism (the predator) kills and eats another organism (the prey).

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Define competition in ecological terms.

Back

Competition is an interaction between organisms or species in which both are harmed as they vie for the same resources, such as food, space, or mates.

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What is symbiosis?

Back

Symbiosis is a close and long-term interaction between two different species, which can be beneficial, neutral, or harmful to one or both parties.

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What is mutualism?

Back

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

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What is commensalism?

Back

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

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What is parasitism?

Back

Parasitism is a type of symbiotic relationship where one organism (the parasite) benefits at the expense of the other (the host), often harming it.

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Example of predation in nature.

Back

A lion hunting and eating a zebra is an example of predation.

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Example of competition in nature.

Back

Two plants competing for sunlight in a dense forest is an example of competition.

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Example of mutualism in nature.

Back

Bees pollinating flowers while obtaining nectar is an example of mutualism.

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Example of commensalism in nature.

Back

Barnacles attaching to a whale's skin, benefiting from the movement of the whale while the whale is unaffected is an example of commensalism.