BJU Biology 5th edition chapter 6 section 6.1-6.2

autotrophs

Organisms that make their own food

heterotrophs

organisms that cannot make their own food and must feed on other organisms for energy and nutrients

anabolism

process where organisms get energy from their food or from light and store it in cells

catabolism

chemical reactions in which livings things used stored energy to carry on life processes

Metabolism

the sum of the chemical processes that an organism uses to get energy from food to grow and function

ATP

(adenosine triphosphate) main energy source that cells use for most of their work

ADP

(Adenosine Diphosphate) The compound that remains when a phosphate group is removed from ATP, releasing energy