Georgia Ecology Review

Burning of fossil fuels has changed the atmosphere by

• producing a hole in the ozone.

• reducing the CFCs in the atmosphere.

• increasing the concentration of carbon dioxide.

• increasing the concentration of ozone in the atmosphere.

Carbon is transferred from one biotic component, the cow, to a second biotic component, the decomposers. Select the one method that carbon is NOT transferred from animals to decomposers.

• as waste

• in dead carcasses

• as carbon dioxide

• in scraps of discarded food

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NGSS.MS-LS2-3

Which example BEST illustrates the biological concept of a community?

• All of the blue whales in the world.

• A herd of bison living in Yellowstone Park.

• The temperate grassland ecosystem in the American Midwest.

• A tropical reef aquarium with many different types of fish and corals.

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NGSS.MS-LS2-2

After a natural disaster such as a hurricane or tornado, what will happen in the damaged ecosystem?

• Nothing; it will remain uninhabited.

• A new, different ecosystem will evolve.

• An ecosystem like the previous one will be re-established.

• No one really knows what to expect after a natural disaster.

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NGSS.MS-ESS3-2

NGSS.MS-LS2-4

All of the listed human actions affect the nitrogen cycle with the exception of the

• use of agricultural fertilizers.

• runoff of pesticides into streams and lakes.

• production of sewage and animal wastes from farms.

• removal of soil bacteria from irrigation or construction.

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NGSS.MS-ESS3-4

NGSS.MS-LS2-3

During the process of ecological succession

• many new species of organisms evolve rapidly.

• the number of species in the community decreases.

• the amount of biomass in the community stays constant.

• an increasing number of resources and niches become available for animals.

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NGSS.MS-LS2-4

Which example best illustrates the difference between a community and a population?

• The two terms are interchangeable, a population IS a community.

• All the people in a town would be a community; all their cattle would be a population.

• All the people in a town would be a community; all the people in a country would be a population.

• All the different animals in a national park would be a community; all of the brown bears in the park would be a population.

Humans add greatly to the carbon cycle by

• driving cars.

• planting trees.

• conserving energy.

• using solar power.

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NGSS.HS-ESS2-6

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Which animal has the LEAST energy available to it for its life processes?

• omnivore or fish

• producer or algae

• carnivore or hawk

• herbivore or shrimp

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NGSS.MS-LS2-1

NGSS.MS-LS2-3

Which of these statements about a food web is true?

• Matter is changed into various forms but the total quantity remains unchanged.

• Matter is created at the start of a food web and destroyed in the end.

• There are an equal number of producers and consumers.

• The quantity of matter increases as the food web progresses from the producers to the consumers.

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NGSS.MS-LS1-6

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