AP Bio 55.4-5 Quiz

Nitrogen is available to plants only in the form of

• N2 in the atmosphere.

• nitrate ions in the soil.

• uric acid from animal excretions.

• amino acids from decomposing plant and animal proteins

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NGSS.MS-LS1-5

NGSS.MS-LS2-1

Which of the following locations is the reservoir for nitrogen in the nitrogen cycle?

• atmosphere

• sedimentary bedrock

• fossilized plant and animal remains (coal, oil, and natural gas)

• plant and animal biomass

Which of the following locations is the reservoir for carbon for the carbon cycle?

• atmosphere

• sediments and sedimentary rocks

• fossilized plant and animal remains (coal, oil, and natural gas)

• all of the above

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NGSS.MS-LS1-6

In the nitrogen cycle, the bacteria that replenish the atmosphere with N2 are

• Rhizobium bacteria

• nitrifying bacteria.

• denitrifying bacteria.

• methanogenic protozoans.

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NGSS.MS-LS2-3

How does phosphorus normally enter ecosystems?

• cellular respiration

• photosynthesis

• rock weathering

• vulcanism

Which of the following statements is correct about biogeochemical cycling?

• The phosphorus cycle involves the recycling of atmospheric phosphorus.

• The phosphorus cycle involves the weathering of rocks.

• The carbon cycle is a localized cycle that primarily involves the burning of fossil fuels.

• The carbon cycle has maintained a constant atmospheric concentration of CO2 for the past million years.

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NGSS.MS-ESS3-4

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What is the first step in ecosystem restoration?

• to restore the physical structure

• to restore native species that have been extirpated due to disturbance

• to remove competitive invasive species

• to identify the limiting factors of the producers

What is the goal of restoration ecology?

• to replace a ruined ecosystem with a more suitable ecosystem for that area

• to speed up the restoration of a degraded ecosystem

• to completely restore a disturbed ecosystem to its former undisturbed state

• to prevent further degradation by protecting an area with park status

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NGSS.MS-LS2-3

NGSS.MS-LS2-5

Which of the following statements is true?

• An ecosystem's trophic structure determines the rate at which energy cycles within the system.

• At any point in time, it is impossible for consumers to outnumber producers in an ecosystem.

• Chemoautotrophic prokaryotes near deep-sea vents are primary producers.

• There has been a well-documented increase in atmospheric nitrogen over the past several decades.

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NGSS.HS-LS2-3

NGSS.HS-LS2-5

NGSS.HS-LS2-6

In a typical grassland community, which of the following has the smallest biomass?

• hawk

• snake

• shrew

• grasshopper