NEEDS HELP BEFORE 11:50pm TODAY!! How does the process of photosynthesis and cellular respiration an ecosystem?

Im not sUre if you meant “(create) an ecosytem” but I hope this helps

The equation for cellular respiration is the direct opposite of photosynthesis. The exchange of carbon dioxide and oxygen thorough photosynthesis or cellular respiration worldwide helps to keep atmospheric oxygen and carbon dioxide at stable levels.

you should do a little more research. good luck!

This type of galaxy is an approximately ellipsoidal shape and a smooth, nearly featureless image. they are the largest single star systems, in the universe and are built by the collisions of many smaller galaxies.

Ihaven't done that yet, so no idea,but this is not the right place to ask