Environmental Science Review

Erosion is most likely when the soil is

• bare and exposed to wind and rain.
• covered with grass.
• plowed along the contour of the land
• covered with forest.

Tags

NGSS.MS-ESS2-2

The _____ was not a direct result of the Industrial Revolution.

• overhunting of large mammals
• improved quality of life
• shift in the use of fossil fuels
• growth of cities

Why is the world’s loss of biodiversity a source of concern?

• Humans depend upon other organisms for food and oxygen.
• Extinctions are common.
• Species extinctions have been rare throughout history.
• Both (a) and (b)

Tags

NGSS.HS-LS2-7

NGSS.HS-LS4-5

% of toxins such as mercury that accumulate in the tissues of organisms as we go up the food pyramid.

• 1%

• 10%

• 50%

• 100%

Tags

NGSS.MS-LS2-3

The energy in most ecosystems originally comes from

• green plants.
• wind.
• the sun.
• All of the above

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Energy is lost as Heat at each level of the food chain/pyramid.

• True

• False

Tags

NGSS.MS-LS1-7

NGSS.MS-LS2-3

The tundra

• has a layer of soil that is permanently frozen
• is resistant to environmental damage because it is frozen.
• is too cold to support insect life.
• All of the above

Tags

NGSS.MS-LS2-4

Estuaries

• are always saltwater ecosystems.
• both fresh water and salt water are present.
• are always freshwater ecosystems.
• prevent the development of salt marshes.

Tags

NGSS.MS-LS2-3

What pollutant forms when automobile emissions react with oxygen gas and ultraviolet rays?

• Smog/ ground level ozone

• carbon dioxide

• radon

• sulfur dioxide

Power plants create electricity by

• converting oil directly into electricity.
• creating steam which turns turbines that power a generator.
• only burning fossil fuels.
• rubbing copper against substances that conduct electricity.