Test Corrections for Ecosystems

The image shows the number of organisms present at each trophic level of a food chain in a grassland ecosystem.

If more of the same species of snake migrates into the area, what is a potential effect on the ecosystem?

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

What is wrong with this food chain?

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NGSS.MS-LS2-2

NGSS.MS-LS2-3

The diagram shows a forest environment and several organisms that live there.

If rainfall in the area is less than expected, what is the most likely result on the ecosystem?

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NGSS.MS-LS2-1

NGSS.MS-LS2-4

The diagram shows a food web.

Which type of organism is a decomposer?

Give an example of an interaction between a biotic and abiotic factor.

Tags

NGSS.MS-LS2-3

Study the diagram of an energy pyramid for an environment.

What happens to energy as it moves up the pyramid?

Responses

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NGSS.MS-LS2-3

How are the nutrients produced by decomposers recycled back in the food chain? 

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NGSS.MS-LS2-3

How are the gases, carbon dioxide and oxygen, passed between plants and animals?

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

Give an example of a food chain. Make sure to identify the producer, primary consumer, and secondary consumer.

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NGSS.MS-LS2-3

Explain the difference between the following vocabulary terms: organism, population, community, and ecosystem.