How do photosynthesis and cellular respiration affect the CO2 and O2 in our atmosphere?

Cellular respiration and photosynthesis are important parts of the carbon cycle. The carbon cycle is the pathways through which carbon is recycled in the biosphere. While cellular respiration releases carbon dioxide into the environment, photosynthesis pulls carbon dioxide out of the atmosphere.

the element that provides strength to the exoskeletons of clams and oysters is phosphorus. this is so because calcium carbonate is the main component in the shells.

explanation:

if your own plato the answer is b. the fern transitioned from sporophyte generation to gametophyte generation.