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What is symbiosis?

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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 are the three main types of symbiotic relationships?

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The three main types of symbiotic relationships are mutualism, commensalism, and parasitism.

Tags

NGSS.MS-LS2-2

Front

Define mutualism.

Back

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

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Define commensalism.

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

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Define parasitism.

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Parasitism is a type of symbiotic relationship where one species benefits at the expense of the other, causing harm.

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What is an example of mutualism?

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An example of mutualism is bees pollinating flowers while obtaining nectar for food.

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What is an example of commensalism?

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An example of commensalism is barnacles attaching to a whale; the barnacles benefit while the whale is unaffected.

Tags

NGSS.MS-LS2-2

Front

What is an example of parasitism?

Back

An example of parasitism is a tapeworm living in the intestines of a cat, benefiting while harming the cat.

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What is competition in ecological terms?

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Competition occurs when two or more species vie for the same resources, such as food, space, or mates.

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How does competition affect species?

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Competition can limit the population size of species and influence their evolution and behavior.

Tags

NGSS.MS-LS2-2

NGSS.MS-LS2-4