TCA 2 Review Study Guide

Which of the following is a carbon sink?

• Volcanoes

• Forest fires

• Coal power plants

• Oceans

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NGSS.MS-LS1-6

Based on the information in the graph, where is most carbon located?

• Atmosphere

• Terrestrial plants

• Deep Ocean

• Ocean surface

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NGSS.HS-ESS2-6

NGSS.HS-LS2-5

Which of the following processes removes carbon dioxide from the atmosphere and converts it to a form of carbon used in the biosphere?

• Respiration
• Combustion
• Decomposition
• Photosynthesis

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NGSS.MS-LS1-6

Which biogeochemical cycle does NOT include the atmosphere:

• Carbon cycle

• Hydrologic cycle

• Phosphorus cycle

• Nitrogen cycle

Albedo causing ice melt would be an example of this type of feedback loop:

• Negative

• Positive

• Neutral

• Stabilizing

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NGSS.HS-ESS2-2

Think about melting polar ice and the albedo effect. This situation might add to global warming because _______________.

• higher albedo leads to overall higher temperatures.

• lower albedo leads to overall lower temperatures.

• higher albedo leads to overall lower temperatures.

• lower albedo leads to overall higher temperatures.

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NGSS.HS-ESS2-2

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NGSS.HS-ESS3-5

Using the figure provided, which statement does NOT describe carbon dioxide concentration in the atmosphere?

• Darker red colors correspond to higher concentrations of carbon dioxide, which are seen mostly in the northern latitudes.

• Near the south pole is a region where the concentration of carbon dioxide is much lower.

• Carbon dioxide emissions are greatest in the southern hemisphere.

• Carbon dioxide emissions are greatest in the most populated areas.

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NGSS.HS-ESS2-2

NGSS.HS-ESS3-5

The graph shows the carbon dioxide (CO₂) concentration of the atmosphere since the year 1000. What was the approximate change in CO₂ level from the year 1000 to the year 2000?

• An increase of 135 ppm

• A decrease of 135 ppm

• An increase of 95 ppm

• A decrease of 95 ppm

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NGSS.HS-ESS2-6

NGSS.HS-ESS3-5

According to graph 1, the number of sea urchins per test diameter on Shemya Island can be explained by:

• Sea otter populations fluctuating, resulting in varying urchin densities

• Sea otters only feeding in deeper waters

• A presence of sea otters resulting in the urchin population being regulated.

• An absence of sea otters resulting in the urchin population only existing in shallow waters

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NGSS.MS-LS2-1

NGSS.MS-LS2-4

Read the passage. Without the sea otters the kelp forest would quickly deteriorate as a result of sea urchins altering the ecosystem. In this scenario otters are known as being

• A capstone species

• A keystone species

• An invasive species

• A prey species

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