Biogeochemical Cycles and Human Impact

If a forest fire occurs, what will happen to the carbon in the forest?

• It will go into the soil

• It will go into the atmosphere

• It will runoff into nearby streams and rivers

• It will be destroyed

Tags

NGSS.MS-LS2-3

Which of the following is an example of human impact on the carbon cycle?

• The increased production of methane gases from cattle farms

• The burning of fossil fuels

• The cutting down of trees for lumber

• Driving automobiles

• All of the above

In the carbon cycle, animals can release carbon back into the cycle through __________ or through __________.

• burning . . . photosynthesis

• fixation . . . decomposition

• decomposition . . . photosynthesis

• respiration . . . decomposition

• respiration . . . photosynthesis

Tags

NGSS.HS-LS2-5

Humans burn fossil fuels and wood, releasing carbon dioxide into the atmosphere. This carbon dioxide is then absorbed by trees for photosynthesis. These processes are contributory to which chemical cycle?

• The carbon cycle

• The water cycle

• The nitrogen cycle

• The phosphorous cycle

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

Name the process by which carbon gets from a plant to an animal (for instance from a leaf to a caterpillar).

• Photosynthesis
• Consumption (eating)
• Decomposition
• Diffusion

Tags

NGSS.MS-LS2-3

What process converts carbon dioxide from the air into glucose?

• Photosynthesis
• Consumption (eating)
• Osmosis
• Cellular Respiration

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

What is one way that humans can lessen their impact on the environment?

• Recycle
• Eat more meat
• Drive large vehicles
• Increase agricultural area

Tags

NGSS.MS-ESS3-3

A colorless, odorless gas produced by burning carbon and organic compounds and by respiration

• drought
• carbon emissions
• natural resources
• carbon dioxide

Tags

NGSS.MS-ESS3-5

a gradual increase in the avg temperature of the earth's atmosphere due to burning fossil fuels

• reduce, reuse, recycle
• drought
• global warming
• pollution

Tags

NGSS.MS-ESS3-5

Greenhouse gasses trap heat and reflect it back toward the Earth, which makes the temp rise

• greenhouse gas effect
• pollution
• extinction
• drought

Tags

NGSS.MS-ESS3-5