Ecology

Which part of the diagram above relates to carbon moving from an abiotic to a biotic part of the ecosystem?

• Dissolved CO2

• Fuel combustion

• Photosynthesis

• Volcanic activity

Tags

NGSS.MS-LS1-6

In the carbon cycle, carbon is transferred from animals to plants by which of the following?

• Carbon dioxide

• Oxygen

• Sugars

• Water

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

During which of the following water cycle processes does water move from living, organic matter to abiotic resources?

• Precipitation

• Condensation

• Vapor transport

• Transpiration

Tags

NGSS.MS-ESS2-4

During which of the following water cycle processes does water form clouds?

• Condensation

• Evaporation

• Precipitation

• Transpiration

Tags

NGSS.MS-ESS2-4

According to this diagram, which of the following organisms is primarily responsible for nitrogen-fixation?

• Trees

• Cows

• Fungi

• Bateria

According to this diagram, how does the cow get its essential nitrogen?

• Fertilizer

• Excreting waste

• Consuming plants

• Breathing

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

Which of the following statements about the nitrogen cycle is true?

• Although nitrogen is most the abundant atmospheric gas, planyts cannot use it from the air.

• Adding man-made fertilizers to farms will take needed nitrogen from the cycle.

• The occurrence of lightning takes extra nitrogen molecules from the atmosphere and the cycle.

• Bacteria located in the soil trap excess atmospheric oxygen and help it enter the plant.

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

An increase in Earth’s average temperature from the buildup of carbon dioxide and other gases in the atmosphere is called

• Transiration

• Ozone depletion

• Global warming

• Eutrophication

Tags

NGSS.MS-ESS3-5

Which statement describes the first changes in a forest that would follow a forest fire?

• A climax community is established.

• New plants grow from seeds that the wind carries to the area.

• New soil forms.

• Pioneer species are established

As you fly into Los Angels, a dark cloud of smog can be seen over the city. This smog is a result of many people polluting the air with their cars, factories, and homes. How does this pollution relate to global warming?

• The pollution keeps the atmosphere above warm, but the land below cool.

• The pollution saturates the atmosphere, so no more pollution can be added.

• The pollution blocks out the suns light, causing the global temperature to decrease.

• The pollution prevents the suns heat from escaping the atmosphere, causing the global temperature to increase.

Tags

NGSS.MS-ESS3-4

NGSS.MS-ESS3-5