Human Impact on Environment

Which human activity contributes the MOST carbon dioxide to the atmosphere?

• Fishing

• Breathing

• Burning Fossil Fuels

• Farming

Tags

NGSS.HS-ESS2-6

NGSS.HS-ESS3-6

When ​ (a)   are picked up by runoff, the effects can be harmful because the water that living organisms depend on becomes ​ (b)   . Human activities, such as overfishing and dumping pollutants into the ocean, can have a great impact, even causing ​ (c)   of some marine life. Artificial reefs have a ​ (d)   impact on the ​ (e)   because they help create underwater ecosystems. Typically, as human populations increase, the negative effects on Earth increase.

• pollutants

• polluted

• extinction

• positive

• environment

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-4

Increased industrialization will most likely

• decrease
  available habitats 

• increase
  environmental carrying capacity 

• increase
  the stability of ecosystems 

• decrease
  global warming

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-4

Which human activity is correctly paired with its likely future consequence?

• overfishing in the Atlantic — increase in supply of flounder and salmon as food for people 

• development of electric cars or hybrid vehicles — increased rate of global warming 

• use of fossil fuels — depletion of underground coal, oil, and natural gas supplies 

• genetically engineering animals — less food available to feed the world’s population

Tags

NGSS.MS-ESS3-4

The following map shows four cities along the United States coast. Recent water samples were taken at each of these locations in response to a diminishing fishing industry. Results from each water sample are listed in the data table below. Based on the results, what is a reasonable conclusion about human use of fertilizers and its impact on ocean ecosystems?

• Increased fertilizer use appears to have a positive effect on marine fish species.

• Increased fertilizer use appears to have a negative effect on marine fish species.

• Based on the data, the harbor’s proximity to the equator has an effect on the number of marine fish.

• Based on the data, there is no connection between the amount of fertilizer used by humans and the number of marine fish.

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-4

A coal-burning facility is constructed in an area containing several pond ecosystems. How will this human activity most likely affect the pond ecosystems?

• More nutrients will be available.

• Organism diversity will increase.

• Disease will become less common.

• Water quality will be reduced.

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-4

Reforestation is the planting of trees that have been cut down by loggers and builders. One benefit of reforestation is restoring lost trees, which future generations can use for their wood. Which claim could be made about how reforestation could benefit a community?

• It limits the space available for building homes and business

• It decreases the chances of a forest fire spreading near people’s homes because of new tree growth

• It decreases the land available for growing crops and raising livestock

• It rebuilds forests, which provide shelter to animals, plants and other resources

Tags

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Match the following problem with its impact on an ecosystem

• Ice Caps Melt, Water levels rise

• Global Warming

• Loss of medical + agricultural products

• Ozone Depletion

• Increase incidences of skin cancer

• Loss of Biodiversity

• Disruption in the top of the food chain

• Bio-Magnification

Tags

NGSS.MS-ESS3-5

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Why do neighborhoods and agriculture cause more pollution than forests and oceans?

• The animals living in or near the forest add pollution to the ocean.

• Decomposing plant matter increases pollution bacteria in the ocean.

• The higher elevation allows more pollution to accumulate and enter the ocean.

• Human activities create pollution runoff that enters the ocean.

Answer explanation

Human activities create pollution runoff that enters the ocean. Any where that humans are pollution is

Agriculture: Humans control raising animals and growing crop that disrupt ecosystems

Neighborhoods: Human litter and use chemicals that kill other living things

Tags

NGSS.MS-ESS3-4

Algae grow rapidly when certain nutrients are added to the water supply causing an algal bloom. Eutrophication describes the process of adding nutrients to the water supply. What human activity is most responsible for the eutrophication that leads to algal blooms?

• Burning fossil fuels

• Disposing of pesticides

• Fertilizer for food crops

Tags

NGSS.MS-LS2-5