2.2. Carbon & Oxygen Review

If the removal of many plants and trees increase in a forest, what effect could this have on the carbon dioxide and oxygen cycle?

• CO2 levels decrease
• CO2 levels increase
• Nitrogen levels decrease
• Oxygen levels increase

Tags

NGSS.MS-LS2-3

NGSS.MS-LS1-6

All of the carbon in existence is continually recycled in the carbon cycle

• True
• False

Tags

NGSS.MS-LS2-3

NGSS.MS-ESS2-1

Oxygen is a gas produced by _ and used by  _ 

• photosynthesis, cellular respiration

• cellular respiration, photosynthesis

How do animals (heterotrophs) get carbon?

• By eating plants and or other animals.

• They absorb it from the atmosphere.

• From the ground

• They do not get carbon from anywhere.

Which of the following are fossil fuels?

• Coal, water, oil

• Oxygen, coal, oil

• Coal, Oil, Natural Gas

• None of the above

Tags

NGSS.MS-ESS3-1

How is the carbon cycle similar to the water cycle?

• Both involve liquid substances falling to the Earth from the atmosphere?

• Neither process works at low temperature.

• Both involve the transfer of substances between animals, plants, and the Earth.

• Both involve the transfer of substances between the earth and outer space.

Tags

NGSS.MS-LS2-3

NGSS.MS-ESS2-4

Which is not one of the greenhouse gases?

• H2O

• CH4

• CO2

• CO

What do greenhouse gases do for Earth?

• warm Earth

• cool Earth

• protect Earth from UV rays

Autotrophs taking in CO2 and producing O2 that Heterotrophs use is considered the ...

• Short term cycle

• Long term cycle

• Water cycle

Plants being buried for millions of years to create fossil fuels is considered the ...

• Short term cycle

• Long term cycle

• Water cycle