The process of cellular respiration

Responses
A occurs only in animals.occurs only in animals.
B breaks down food molecules to release stored energy.breaks down food molecules to release stored energy.
C must occur before plants are able to carry out photosynthesis.must occur before plants are able to carry out photosynthesis.
D is performed only by organisms that are incapable of photosynthesis.

B breaks down food molecules to release stored energy.