Human Impacts

Which of these is a consequence of deforestation?

• increased oxygen in the atmosphere

• decreased biodiversity and soil erosion

• decreased availability of sunlight and vitamin D

• increased annual precipitation and acid rain

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Walking or digging on the dunes make them vulnerable to erosion. What other human activity would also contribute to the erosion of the sand dunes?

• destroying the beach grass on the dunes

• restricting construction near the dunes

• building new dunes where none exist

• adding sand from the ocean to the dunes

Tags

NGSS.MS-ESS3-4

A BPA Student notices that new houses are being built across the street in the Breakfast Point Neighborhood. As The first thing the builders do is remove all of the trees. Which of the following effects would result from this action?

• a reduction in levels of pollution

• an increase in soil erosion

• a growth in the variety of animals

• a reduction in levels of pollution

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

NGSS.MS-LS2-5

Which of the following best explains why urban areas have more air pollution than rural areas do?

• There are fewer green areas and more paved areas in urban areas.

• There are more cars and buses in urban areas.

• Drivers travel shorter distances between destinations in urban areas.

• Houses are closer together and larger.

Tags

NGSS.MS-ESS3-4

A new type of gasoline gives off excessive amounts of smoke. What should be studied before this type of fuel can be determined to be safe for the environment?

• the time it takes to produce the fuel

• the effect the smoke will have on the air quality

• the cost of producing the fuel

• if the fuel will be widely accepted by consumers

Tags

NGSS.MS-ESS2-5

A zoologist released a study that showed that the populations of some bird species have decreased in number by as much as 50% since 1966. The study found that food and water shortages were not the cause for the decrease in bird population. What other factor might have contributed to this decline?

• destruction of natural habitats

• overproduction of bird offspring

• an energy-rich diet

• fewer predators

Tags

NGSS.MS-LS2-4

An urban sprawl is when natural and forest areas are developed with buildings and roads. How has urban sprawl affected farming?

• It increases the amount of available farmland needed for growing crops.

• It allows for areas of rainwater to collect that can be used to water crops.

• It has allowed for more nutrients to be available for crops.

• It decreases the amount of farmland that is available for growing crops.

Tags

NGSS.MS-ESS3-4

Often times a developers often will create a “green space” after he/she has developed a subdivision. A green space is and area with trees and grass to provide an alternate to the trees that were removed. What happens to the birds if the developer does not create the green space?

• increase in nesting sites

• increase in available food

• loss of habitat

• decrease in number of predators

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

How can the use of fertilizers to improve lawns and gardens negatively impact the environment?

• it can be carried into local water supplies

• it can cause mutations in plants

• it can cause atmospheric pollution

• it cannot be absorbed by roots

Tags

NGSS.MS-ESS3-3

NGSS.MS-LS2-4

An increase in the amount of nutrients in water is called eutrophication. The extra nutrients causes the fast growth of algae on the water’s surface. What causes this overgrowth of algae?

• wastewater and fertilizer runoff getting into waterways

• increase production of acid rain

• gases formed by burning fossil fuels mix with water in the air

• oil spills

Tags

NGSS.MS-ESS3-4

NGSS.MS-LS2-1

NGSS.MS-LS2-4