U6 Post review-ecology

Which is most responsible for the increase in solid waste production in the United States?

• more packaging

• denser solid waste

• more electronic devices

• increased food consumption

Which event would most likely cause the rate of aluminum-can recycling to rise and steel-can recycling rates to fall?

• an increase in the value of aluminum, and a decrease in the value of steel

• a decrease in the value of aluminum, and a decrease in the value of steel

• an increase in the value of aluminum, and an increase in the value of steel

• a decrease in the value of aluminum, and an increase in the value of steel

Why is used car oil disposed of in a container to take to a mechanic for proper disposal?

• the oil can be reused in other cars

• impurities in the oil can be studied to improve car engine design

• the oil can be recycled to protect the environment

• using natural fertilizers on lawns

Tags

NGSS.MS-LS2-5

Which human activity most likely contributes to solid waste pollution in streams and landfills?

• buying products packaged in disposable containers

• combining leaves and grass clippings with paper products to use in composting

• recycling glass, paper, and aluminum products

• using natural fertilizers on lawns

Can Earth's human population increase indefinitely?

• yes, even though resources are finite

• yes, because resources are infinite

• no, even though resources are infinite

• no, because resources are finite

Tags

NGSS.MS-ESS3-4

In which case is a food resource decreased to increase a shelter resource?

• Farmland is converted into house lots

• Old-growth timber is cut to build houses

• Corn is made into ethanol for cars instead of food

• Wind power generated on farmland provides electricity for a factory

What is the carrying capacity of an ecosystem?

• the total number of organisms alive at the same time in an ecosystem

• the minimum number of individuals needed to have balance in an ecosystem

• the total number of individuals, living and dead, that have been supported by an ecosystem

• the maximum number of individuals that an ecosystem can support without harming the ecosystem

What is the most likely indication of land subsidence?

• water is being polluted

• rocks are being weathered

• groundwater is being depleted

• sediments are being deposited

Tags

NGSS.MS-ESS2-1

NGSS.MS-ESS2-4

What would a farmer most likely do to replenish nitrogen that was depleted from the soil?

• use water that is enhanced with phosphates

• add fertilizer to the soil to provide a source of nitrogen

• use genetically altered crops that fix their own nitrogen

• add bacteria to the soil in order for the crop to grow stronger roots

Tags

NGSS.MS-LS2-3

Which other purpose did the terracing of the mountain serve?

• It provided a transportation system

• It encouraged wild plant growth

• It helped control erosion

• It prevented flooding

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-5