Sustainability and Ecosystems Quiz

What is sustainability primarily concerned with?

• Reducing biodiversity

• Meeting present needs without compromising future needs

• Increasing industrial production

• Limiting technological advancements

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NGSS.MS-ESS3-4

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Which of the following is considered a biotic element in an ecosystem?

• Rocks

• Water

• Plants

• Sunlight

How does cycling matter contribute to the sustainability of an ecosystem?

• By decreasing energy flow

• By increasing the amount of waste

• By recycling nutrients and supporting life

• By stopping the decomposition process

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NGSS.MS-LS1-6

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What role do decomposers play in an ecosystem?

• They produce energy

• They break down dead materials

• They consume predators

• They provide sunlight

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NGSS.MS-LS2-2

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Which of the following nutrients is essential and commonly cycled within an ecosystem?

• Helium

• Nitrogen

• Aluminum

• Silver

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NGSS.MS-LS2-3

What is the primary benefit of having healthy soil in an ecosystem?

• It reduces the need for sunlight

• It supports plant growth and provides habitat

• It increases the amount of carbon dioxide

• It limits water supply

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NGSS.MS-LS1-5

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What process returns nutrients to the soil from dead plants and animals?

• Photosynthesis

• Evaporation

• Decomposition

• Condensation

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NGSS.MS-LS2-3

Which of the following best describes an ecosystem in balance?

• One with overpopulation of a single species

• One with harmony among biotic and abiotic elements

• One with only plant life

• One with no predators

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NGSS.MS-LS2-3

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What does the cycling of matter help minimize in an ecosystem?

• Nutrient flow

• Waste

• Energy transfer

• Water supply

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which element is NOT typically involved in the cycling of matter in ecosystems?

• Phosphorus

• Carbon

• Hydrogen

• Gold

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NGSS.MS-LS1-6

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