Cycling of Matter in Ecosystems

When humans burn fossil fuels, most of the carbon quickly enters the                       as carbon dioxide.

• Water
• Atmosphere
• Sun
• Air

Tags

NGSS.HS-ESS2-6

Which one of these does not add CO2 to the atmosphere?

• cooking with gas
• planting trees
• burning wood
• riding in a bus

What does not produce carbon dioxide?

• Photosynthesis
• Burning Fossil Fuels
• Animal respiration
• Plants decaying

Tags

NGSS.MS-LS1-6

How do living organisms return carbon to the atmosphere in the carbon cycle?

• respiration and photosynthesis
•  decomposition and respiration

Tags

NGSS.HS-LS2-5

In the carbon cycle, producers take in the gas __

• carbon dioxide
• oxygen
• nitrogen
• carbon monoxide

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

In what process is carbon from the atmosphere transformed into chemical energy (carbohydrates) to provide energy to living organisms?

• Photosynthesis

• Respiration

• Decomposition

• Combustion

Tags

NGSS.MS-LS1-6

How does carbon affect global warming?

• Speeds up the effects of global warming

• Slows down the effects of global warming

• Does nothing to the speed of global warming

Tags

NGSS.MS-ESS3-4

NGSS.MS-ESS3-5

Carbon can be found in...?

• The atmosphere

• Earth's surface

• Fossil fuels

• All of the above!

Tags

NGSS.MS-LS1-6

NGSS.MS-LS2-3

How nitrogen is "fixed" into useable form for plants

• through action of legumes

• through the action of bacteria found living in the roots of legumes

• through cellular respiration

• through photosynthesis

Tags

NGSS.MS-LS2-3

Nitrogen fixing bacteria, lives in nodules on the root of a plant called

• Broccoli
• Legumes
• Beats
• Carrots