APES Earth System Review

A forest has a GPP of 3.8 kg C/m2 /year and the rate of cellular respiration is 2.4 kg C/m /year. What is the NPP?

A. 6.2 kg C/m2 /year

B. 1.4 kg C/m2 /year

C. 1.0 kg C/m2 /year

D. 9.12 kg C/m2 /year

E. 1.58 kg C/m2 /year

• A

• B

• C

• D

• E

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Which statement best describes the concept of Net Primary Production?

A. Energy captured minus energy lost

B. Total amount of energy available from the Sun

C. Total amount of energy produced from photosynthesis

D. Total amount of energy available within an ecosystem

E. Total amount of cellular respiration conducted within an ecosystem

• A

• B

• C

• D

• E

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Humans have a considerable effect on the hydrologic cycle. Which of the following has a

direct effect?

I. Deforestation

II. Urbanization

III. Mining of fossil fuels

A. I only

B. II only

C. III only

D. I and II

E. I, II, and III

• A

• B

• C

• D

• E

Tags

NGSS.MS-ESS2-4

NGSS.MS-ESS3-4

What is the effect of deforestation on the carbon cycle?

A. Increase in the amount of CO2 in the atmosphere

B. Decrease in the amount of CO2 in the atmosphere

C. Increase in the amount of photosynthesis

D. Increase in the amount of cellular respiration performed by producers

E. Deforestation has no impact on the carbon cycle

• A

• B

• C

• D

• E

Tags

NGSS.HS-ESS2-6

NGSS.HS-LS2-5

How does an algal bloom affect the oxygen content of the water?

A. An algal bloom will cause the oxygen content in the water to increase overall.

B. An algal bloom will cause the oxygen content in the water to decrease, leading to hypoxic

conditions.

C. An algal bloom will have no impact on the oxygen content of the water.

D. An algal bloom will cause rapid fluctuations of oxygen in the water.

E. An algal bloom will cause the oxygen content to vary according to the depth of the water.

• A

• B

• C

• D

• E

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

What human activities have affected the phosphorus cycle?

I. Creation of fertilizers

II. Decline of wetland areas

III. Use of dishwashing detergent

A. I only

B. II only

C. III only

D. I and II

E. I and III

• A

• B

• C

• D

• E

Tags

NGSS.MS-ESS3-4

What effect would clear-cutting an area within a watershed have on the water quality of

A river running through the watershed?

A. Decrease in nutrient concentration in the waters of the clear-cut watershed

B. Increase in nutrient concentration in the waters of the clear-cut watershed

C. Decrease in the amount of runoff entering the waters of the clear-cut watershed

D. Increase in the biodiversity of the river

E. No effect on the water quality of a river

• A

• B

• C

• D

• E

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Which of the following is NOT true about the Sun’s energy heating Earth?

A. The angle at which the Sun’s rays hit Earth depends on the latitude.

B. The Sun’s rays are concentrated over a smaller surface area at the equator than in higher

latitudes.

C. The polar regions reflect more sunlight than the tropical regions

D. The Sun’s rays are more strongly reflected in the lower latitudes.

E. The unequal heating of Earth helps determine an area’s climate.

• A

• B

• C

• D

• E

Tags

NGSS.MS-ESS2-6

Where is upwelling most likely to occur?

A. Along the west coasts of a continent

B. Along the east coast of a continent

C. In the center of ocean basins

D. Along the equator

E. In the polar oceans

• A

• B

• C

• D

• E

Tags

NGSS.MS-ESS2-6

As water freezes or evaporates, what happens to the salinity of the remaining ocean water?

A. Salinity decreases.

B. Salinity increases.

C. There is no change to salinity.

D. Salinity increases as water freezes, decreases as water evaporates.

E. Salinity increases as water evaporates, decreases as water freezes.

• A

• B

• C

• D

• E

Tags

NGSS.MS-ESS2-4