How do organisms store and use energy?

❅ By making and as well as  breaking up the chemical bonds in organic compounds.

By making and breaking the chemical bonds in organic compounds.of course , we can give , chemosynthesis and photosynthesis as examples for storing (making bonds) energy , aerobic and anaerobic respirations are examples for using(breaking bonds) energy.

1. is either a. or d. and positive its not b. or c. and for number two i do not have an answer sorry