Answer :
The answer to the drop box menu of carbon, and aquatic organisms is Atmosphere, Excretion.
How does the carbon cycle influence the Earth's spheres?
The carbon movement from one sphere to the other affect the life processes e.g. photosynthesis and respiration and others.
Note that carbon dioxide in the Atmosphere is absorbed by the oceans and is used by aquatic organisms for biological processes.
Learn more about carbon from
https://brainly.com/question/9798597
#SPJ1