Answer :
The best example of the organismic phase of the carbon cycle is A cheetah exhales carbon dioxide.
What is carbon cycle?
It is the process where the carbon atoms should be travelled in continous way from the atmosphere to the Earth and then back into the atmosphere.
So based on this, we can say that The best example of the organismic phase of the carbon cycle is A cheetah exhales carbon dioxide.
Therefore, the other options are considered to be wrong.
Learn more about carbon here: https://brainly.com/question/21488442