Since Jiskha doesn't have a biology expert at this time, please try posting your question at this site.
http://www.biology-online.org/biology-forum/
In addition, be sure to make really good use of KhanAcademy!
http://www.khanacademy.org/science/biology
Choose from the general topics at the right and then find the specifics you need within each topic.
How are photosynthesis and cellular respiration related ?
A)Cellular respiration cannot occur without photosynthesis
B)They each occur in completely different organisms
C) Both depend on ATP as a source of energy
D)Both produce more ATP than they use
1 answer