Carbon and Nitrogen Cycle Exit ticket

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

• Water
• Atmosphere
• Sun
• Air

During photosynthesis, carbon is moved from which reservoir to which reservoir?

• From the atmosphere to the terrestrial biosphere.
• From the troposphere to the terrestrial biosphere.
• From the lithosphere to the terrestrial biosphere.
• From the hydrosphere to the terrestrial biosphere

How does carbon in a grass plant get into a lion?

• The lion eats an antelope that ate the grass

• Carbon from grass doesn't end up in a lion.

• The lion absorbs the carbon given off by transpiration

• The lion breathes in carbon given out by the plant

Which of the following add carbon dioxide to the atmosphere?

• volcanoes
• combustion of fossil fuels
• animal and plant respiration
• all of these

How nitrogen is "fixed" into useable form for plants

• only through action of bacteria
• only through lightning
• through action of bacteria & lightning
• through photosynthesis

Organisms that do not decompose can be buried and become what?

• water
• nutrients
• air
• fossil fuels

Building proteins and DNA is the reason organisms need what substance?

• Water
• Carbon
• Nitrogen
• Calcium

_____ is the conversion of organic nitrogen into ammonia

• Nitrogen Fixation
• Ammonification
• Denitrification
• Assimilation 

A correct path that nitrogen could take would be

• air -> animals -> plants -> bacteria

• animals -> air -> bacteria -> plants

• bacteria -> air -> plants -> animals

• air -> bacteria -> plants -> animals

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-4

What process occurs when dead plant and animal matter decomposes and nitrogen is released back into the atmosphere?

• Assimilation

• Fixation

• Ammonification

• Denitrification