Changes in Ecosystems Unit 3 Lesson 2

A natural system where organisms interact with living and nonliving parts of their environment.

• Ecosystem
• Biome
• Habitat
• Community

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NGSS.MS-LS2-3

NGSS.MS-LS2-4

The process of recovery and change after a disturbance in an Ecosystem.

• Succession

• Climate change adaptation
• Stability

• Biodiversity loss

Which of the following best describes the role of producers in an ecosystem?

• They decompose dead organisms

• They hunt and consume other animals

• They recycle nutrients back into the soil

• They convert sunlight into energy through photosynthesis

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NGSS.MS-LS1-6

What term is used for the variety of different species living in an ecosystem?

• Carrying capacity

• Food web

• Population

• Biodiversity

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NGSS.MS-LS2-5

Which of the following is an example of a nonliving component in an ecosystem?

• Mushroom

• Fish

• Tree

• Sunlight

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NGSS.MS-LS2-3

A long period of time with no rain or water

• precipitation

• tsunami

• drought

• flood

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NGSS.MS-ESS2-4

What is the name of the chemical that gives producers the green color?

• Melanin
• Xanthophyll
• Chlorophyll
• Carotene

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NGSS.MS-LS1-6

The process that producers use to make their own food.

• Respiration
• Fermentation
• Photosynthesis
• Digestion

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NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which level of organization includes "nonliving" factors?

• Species

• Community
• Ecosystem
• Population

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NGSS.MS-LS2-3

Which nonliving factors would be a "system input" of a forest floor? Select ALL that apply.

• trees

• sunlight

• rain

• soil

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NGSS.MS-LS2-3