In terms of producers, why is cellular respiration needed in
addition to photosynthesis?
How are photosynthesis and cellular respiration similar
(Hint: look at the inputs/reactants and outputs/products)?
How are photosynthesis and cellular respiration different
(Hint: look at the inputs/reactants and outputs/products)?

In terms of producers why is cellular respiration needed in addition to photosynthesis How are photosynthesis and cellular respiration similar Hint look at the class=