What is an organism that breaks down and gains nutrients from dead organisms?

What re the two main phrases of the cell cycle.

Photosynthesis converts light energy to chemical energy. which molecules are the end product of this transformation of energy in this reaction?

The carbon cycle is best defined as a process in which a. carbon changes from inorganic forms to organic forms and back b. carbon is changed into other elements such as oxygen or nitrogen c. carbon is continually created from the sun’s energy by plants d. carbon is consumed and regenerated from other elements such as oxygen and nitrogen