Carbon and Nitrogen Cycles

Match it! Select the correct answer from the pull down...Good luck!

What is photosynthesis?

Carbon dioxide is continuously being dissolved in the ocean through the process of_____/

____________ are compounds that are made of nitrogen and oxygen.

Which organisms need nitrates to survive?

The process of converting nitrogen into nitrates that organisms can use is called _____.

Which cycle includes photosynthesis and respiration?

Organisms that break down dead plants and animals and release nitrogen into the atmosphere are called

The cycling of carbon between the living and non-living parts of the Earth system is an important part of which process?