NGSS.HS-LS2-6

The study of how living things interact with one another and with their environment.

• Biology
• Lithology
• Ecology
• Farmacology

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the variety of life on Earth

• biodiversity
• natural environment
• built environment

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A stand of trees resulting from secondary ecological succession

• Second-growth forest
• Primary forest or old-growth forest

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NGSS.HS-LS2-6

Coral reefs are endangered by

• climate change

• overfishing

• pollution

• all of the above

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How has global warming affected life in the oceans?

• Habitat is being lost as ocean water levels drop.

• Ocean water temperatures have cooled to maintain balance.

• Photosynthesis happens to a greater extent due to increased sunlight.

• The algae contained within some corals are dying.

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NGSS.HS-LS2-6

Why is slash and burn farming not a sustainable farming practice?

• It does not have good crop yields

• The soil in infertile in just a few years

• It causes erosion

• It takes a really long time to grow crops this way

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NGSS.HS-LS2-6

What is true of a lake that is experiencing eutrophication?

• decreased algae

• increased nutrients

• decreased sediments

• increased oxygen

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NGSS.HS-LS2-6

Which would result from destroying wetlands?

• increased biodiversity

• increased levels of oxygen

• decreased sediments

• increased flooding

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NGSS.HS-LS2-6

Choose all that apply regarding sand on reef slope:

• are unstable, but extreme environments

• are unstable, but non-extreme environments

• have long food chains

• have short food chains

• have high biodiversity

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NGSS.HS-LS2-6

The graph below shows changes in the populations of hares and lynx in a Canadian ecosystem. Which statement about the hares and lynx can be supported with information from the graph?

• The hare is the predator of the lynx because it is a larger animal.

• The lynx population begins to drop after the hare population drops.

• Both populations go through cycles due to the succession of plant species.

• Both populations have a carrying capacity of 3000 per square kilometer.

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NGSS.HS-LS2-6