Human Impact on the Environment

To support the claim that the consumption of natural resources by humans has a negative impact on the environment, what kinds of data would be needed to provide evidence?

• Increasing human population and decreasing size of habitats for plants and animal

• Increasing human lifespan over time and global increase in sea level

• Increasing the consumption of resources by humans and increasing biodiversity

• Increasing burning of fossil fuels by humans and decreasing use of other resources

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NGSS.MS-ESS3-4

Dams have been put in place along many different rivers in Oregon. There is claims that these dams are harmful to the salmon migration. To evaluate the effectiveness of these claims, what data would need to be collected?

• The opinion of the dam's owners about its cost effectiveness and job creation.

• The type of material used to build the dam as environmentally conscious.

• The height of the dam as measure by engineers.

• The number of salmon passing through before the dam installation and compare it with the numbers of salmon passing through after.

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NGSS.MS-LS2-4

NGSS.MS-LS2-5

Students decide to remove the litter from an abandoned park and plant trees. Which of the following observations provides the best evidence that the action of the students has had a positive effect on the health of the park ecosystem?

• The number and diversity of animals increases.

• The number of human visitors decreases.

• The level of yearly precipitation increases.

• The average daily high temperature decreases.

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NGSS.MS-LS2-1

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Spix’s macaw is an endangered species of bird native to Brazil. The population of the bird has declined over the past 30 years. During this same period, much of the Brazilian rainforest habitat of the bird has been lost due to logging. What data would best support the claim that logging is a likely cause of the decline in the population of Spix’s macaw?

• This bird is a popular pet and has been bred successfully in captivity.

• The land cleared by logging is often taken over by farmers for growing crops.

• The population of this bird was relatively constant before logging began.

• The trees harvested by logging are not those that are usually the home to this bird.

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NGSS.MS-LS2-1

NGSS.MS-LS2-4

The claim is made that carbon dioxide (CO2) emissions can be reduced by increasing the amount of electricity produced by wind. Which pair of graphs, showing data for CO2 emissions and wind production of electricity would support this claim?

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NGSS.MS-ESS3-4

Describe how commercial fishing by humans can have a negative impact on the balance of organisms in an aquatic environment.

• Certain species can be overfished.

• Commercial fishing can result in the harvesting of unwanted species that leads to waste.

• Commercial fishing can add to unwanted pollutants in the water as part of the fishing process.

• All of the answers listed here are correct

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NGSS.MS-LS2-4

NGSS.MS-LS2-5

As the human population increases, so does the consumption of natural resources. What type of impact does this have on natural ecosystems and environments?

• Environmental Pollution

• Loss of habitat for animals and plants

• Disruption of natural behaviors, like migration, mating, etc

• All of the answers listed here are correct

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NGSS.MS-ESS3-4

NGSS.MS-LS2-4

Describe the impact deforestation can have on species inhabiting those affected environments.

• Deforestation only affects the forest animals

• Deforestation has no impact on the environments.

• Deforestation destroys habitats of organisms that depend on those trees for food and shelter and can possibly lead to extinction of various species dependent on those environments.

• Deforestation is healthy for all the creatures in the forest

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NGSS.MS-LS2-1

NGSS.MS-LS2-4

What's the number one rule when enjoying natural areas?

• Pick up as many natural resources as you can find and take them home.

• Walk all over the area to fully enjoy it, instead of staying on the designated paths.

• Leave No Trace

• Throw trash every where. Baby creatures love eating trash and it is healthy for them.

What does "Leave No Trace" mean?

• Leave no trace means to write your names on the small trees only.

• Leave no trace means to leave no evidence you were there to help preserve natural areas.

• Leave no trace means that others are required to respect the area but that does not apply to you.

• Leave no trace means to turn off your cell phones when enjoying natural areas.