Respuesta :

cell respiration

- CO2 is a product

- O2 is a reactant

- carried out in animal

- produces usable energy

photosynthesis

- CO2 is a reactant

- O2 is a product

both

- chemical reaction

- carried in plant

cell respiration                  Both                                      Photosynthesis

Carbon dioxide is a         Chemical reaction                Carbon dioxide is a

product                             Carried out in plant               reactant

Oxygen is a reactant         Produce usable energy      Oxygen is

Carried out in animal           source                                  a product