Question

1. carbon atoms from ____ are \fixed\ into organic compounds in the calvin cycle in a process called _____. (use commas to separate your responses)

Explanation:

In the Calvin cycle (part of photosynthesis), carbon atoms from carbon dioxide ($\ce{CO_2}$) are fixed into organic compounds. The process of incorporating carbon from an inorganic source (like $\ce{CO_2}$) into organic compounds is called carbon fixation.

Answer:

carbon dioxide, carbon fixation