Ecosystem and Ecology Quiz

What is the difference between biotic and abiotic factors?

• Biotic factors are non-living, abiotic factors are living.

• Biotic factors are living, abiotic factors are non-living.

• Both are living factors.

• Both are non-living factors.

What is a niche in an ecosystem?

• A place where an organism lives.

• The role an organism plays in its environment.

• A type of habitat.

• A type of food chain.

Which of the following is an example of mutualism?

• A lion hunting a zebra.

• A bee pollinating a flower.

• A tick on a dog.

• A bird eating seeds.

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NGSS.MS-LS2-2

Which trophic level would an omnivore occupy?

• Producer

• Primary consumer

• Secondary consumer

• Quaternary consumer

What is an example of commensalism?

• A bird nesting in a tree.

• A wolf hunting a deer.

• A fish cleaning a shark.

• A bee pollinating a flower.

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NGSS.MS-LS2-2

What is the definition of parasitism?

• Both organisms benefit.

• One organism benefits, the other is harmed.

• Both organisms are harmed.

• Neither organism is affected.

What is the effect of competition on ecosystem stability?

• Increases biodiversity.

• Decreases resource availability.

• Stabilizes population sizes.

• Has no effect.

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NGSS.MS-LS2-4

What is the primary source of energy for producers?

• Water

• Sunlight

• Soil

• Other organisms

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NGSS.MS-LS2-3

NGSS.MS-LS1-6

Which of the following is a primary consumer?

• Grass

• Rabbit

• Wolf

• Hawk

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NGSS.MS-LS2-2

What is the role of a tertiary consumer in an ecosystem?

• To produce energy.

• To decompose organic matter.

• To consume primary and secondary consumers.

• To fix nitrogen.

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NGSS.MS-LS2-3