Symbiosis

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What is the definition of symbiosis?

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Symbiosis is a close and long-term interaction between two different biological species.

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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

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?

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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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What is parasitism?

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

Tags

NGSS.MS-LS2-4

Front

Give an example of mutualism.

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An example of mutualism is the relationship between bees and flowering plants, where bees get nectar and plants get pollinated.

Tags

NGSS.MS-LS2-2

Front

Give an example of commensalism.

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An example of commensalism is cattle egrets foraging among cattle, benefiting from insects stirred up by the cattle.

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Give an example of parasitism.

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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 the role of decomposers in an ecosystem?

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Decomposers break down dead organic matter, returning nutrients to the soil and supporting plant growth.

Tags

NGSS.MS-LS2-3

Front

How do human activities contribute to greenhouse gas emissions?

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Human activities such as burning fossil fuels, deforestation, and industrial processes increase greenhouse gas emissions.

Tags

NGSS.MS-ESS3-4