Week 14 Unit Exam 2

Front

Which elements are in fertilizer?

Back

Nitrogen and Phosphorus

Front

True or False: Humans and animals release carbon dioxide into the air during respiration, not photosynthesis.

Back

False

Front

True or False: All of the carbon in existence is continually recycled in the carbon cycle.

Back

True

Front

Where does the carbon come from that plants use?

Back

Air

Front

What is the conversion of ammonium to nitrate called?

Back

Nitrification

Front

The conversion of nitrate to nitrogen gas is called what?

Back

Denitrification

Front

What is it called when water vapor cools and changes into a liquid? Options: condensation, respiration, precipitation, evaporation.

Back

Condensation.

Front

The three steps of the water cycle include:

Back

precipitation, condensation, evaporation

Front

Which of the following is NOT part of the carbon cycle? Options: condensation, photosynthesis, combustion, respiration.

Back

Condensation.

Front

What role do animals play in the carbon cycle?

Back

give off carbon dioxide through respiration