NGSS.HS-LS2-7

How can humans best help an endangered species avoid extinction?

• they can feed the animals
• they can put the animals in a zoo
• they can protect the animal’s habitat
• they can take the animal to new habitats

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NGSS.HS-LS2-7

What is the definition of ecological footprint?

• is the footprint of ecologist
• is a measure of the impact living things have on the environment.
• is a kind of plant that grows in the rainforrest.
• a measure of the impact humans have on the environment.

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NGSS.HS-LS2-7

Which of the following are environmental impacts of extensive aquaculture?

• spread of disease
• pollution
• introduced species
• all of the above

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NGSS.HS-LS2-7

Sheila wants to improve the quality of the soil in her garden. The following table shows the two choices she is thinking about using and their effects on the soil.   Which statement describes why Sheila would select mixing in grass clippings?

• This choice adds nutrients but will also destroy the weeds in her garden.
• The nutrients added to the soil are stronger and work faster using this method.
• The soil loses nutrients over time, and this will help while not harming the environment.
• This is the only way to get rid of the grass clippings, and she can store the fertilizer to use later.

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NGSS.HS-LS2-7

Which is used to reduce the impact of timber harvesting?

• tree planting

• selective cutting

• prescribed burns

• mechanized logging

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NGSS.HS-LS2-7

Which of the following is an unintended environmental consequence of aquaculture?

• Meeting an increasing demand for seafood

• Decreasing the prevalence of disease in nearby wild fish

• Contamination of surrounding water by organic waste

• High initial cost of facility

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NGSS.HS-LS2-7

All of the following are environmental problems associated with aquaculture except:

• Increase amount of animal waste that can pollute waterways

• Depleting local water resources

• Damaging sensitive wetland ecosystems connected to aquaculture operations

• Decreasing the native populations of fish in our ocean waters.

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NGSS.HS-LS2-7

Which threat to biodiversity is being displayed?

• overexploitation
• invasive species
• pollution
• habitat fragmentation

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Because global fisheries have dramatically seen a reduction in fish numbers, this technique has been used recently to supplement that loss.

• monocropping

• IPM

• contour farming

• aquaculture

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NGSS.HS-LS2-7

All of the following are ways we can practice to decrease the impact of human activities on harming the environment, EXCEPT?

• Organic farming

• Biological control of pests

• Developing alternative energy sources

• Using more plastic products

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