Water, Land and Air Unit Review

With advancements in biotechnology, farmers are able to produce genetically engineered crops that can fight disease and insects. Which statement describes a positive impact for farmers who grow genetically engineered crops?

• They decrease soil erosion.

• They help decrease greenhouse gases.

• They cause a decrease in available land.

• They help decrease the amount of pesticides used.

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NGSS.MS-LS2-5

Sustainable land use addresses the use of resources to benefit the local economy while maintaining soil and land quality.  What would not be considered an environmental consequence of sustainable land use?

• increase in soil diversion

• environmental law implementation

• increase in employment

• animal habitat destruction

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NGSS.MS-LS2-5

Scientists have genetically modified many foods to increase the vitamin and mineral contents. What is a major concern with producing genetically modified foods?

• The amount of food available to people will decrease.

• New allergens that people are not aware of may be introduced.

• The increased nutrients will affect the taste of the food.

• Shelf-life expectancy of the modified foods will not be as long.

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NGSS.MS-LS3-1

What was an effect of the rapid industrialization of the United States of America in the late 19th century on American waterways?

• Marine life populations increased due to people having a greater variety of food available.

• Many American waterways became extinct or dried out due to the heavy burden water usage played during the Industrial Revolution.

• River systems saw an increase in sophisticated dams along with an increase in pollution.

• River systems grew less polluted because industialization allowed Americans to move away from waterways and into the country's interior.

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NGSS.MS-ESS3-4

Which of the following may result if more farmers begin to plant only genetically modified crops that have an increased tolerance to insects?

• The genetic diversity of the crops will decrease.

• Natural selection will cause genetically immune humans.

• There will be an increase in the toxicity levels in humans.

• Farmers will use more pesticides causing harm to humans.

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NGSS.HS-LS2-7

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You own 100 acres of farmland that lies on the bank of a large river.   Local authorities want to access your right of way to accommodate cargo shipping.  Which effect of this activity will positively impact your land?

• increased availability of imported products

• soil displacement from dock construction

• pollution created by fuel spills from ships

• increased revenue for local population

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NGSS.MS-ESS3-4

Which term is used to describe low density, automobile-dependent community development that is associated with land use that has a negative impact?

• urban coalition

• urban homesteading

• urban planning

• urban sprawl

Currently, most solid waste in the United States is buried in landfills.  They are designed to keep water and air from entering landfills and leachate from escaping. 

What are the negative impacts of landfills on ecosystems?

I.  Many materials that end up as waste contain toxic substances.

II. Leachate can contaminate surrounding waterways.

III. Greenhouse gases are released, in the form of methane to the environment.

• I only

• II only

• III only

• I, II, and III

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NGSS.MS-ESS3-3

Read the question to yourself and select the best answer.

How could you tell from a chart that a species is an invasive non-native species?

• population of that species will decrease while others increase

• population of that species will increase while others decrease

• there is no way to tell

• population of all species will incrase

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NGSS.MS-LS2-4

The carrying capacity of a region is reached when the population growth equals zero and the land can sustain the population without bearing negative impact. Which of the following factors does not affect carrying capacity?

• food supply and consumption

• birth and death rate

• internet use and globalization

• immigration and emigration

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NGSS.MS-LS2-1

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