| A | B |
| homeostasis | a state of balance among all body systems as needed for the body to function efficiently |
| growth and regeneration | development and maturation of structures, or renewal of damaged structures |
| reproduction | the process of producing offspring that are biologically or genetically similar to the parent organism(s) |
| cells | the most fundamental units of life, bound by a membrane |
| genetic information | heritable sequences of nitrogenous bases that pass similar instructions for forming structures |
| response to environment | adjusting and leveraging traits to the advantage of the organism |
| metabolism | the chemical changes that take place within the cells of an organism, producing energy and basic growth material |
| inheritance | sharing a genetic profile from one generation to another |
| organism | any living thing |
| structure | any body part |
| function | the job of any body part |
| adaptation | a trait that is fit to the environmental challenges |
| response | a reaction to a stimulus |
| vertebrate | an organism with a backbone. |
| invertebrate | an organism without a backbone |
| stimulus | a phenomenon that causes something else to happen |
| lipid | organic compounds made of fat |
| nucleic acid | naturally occurring chemical compounds that serve as the primary information-carrying molecules in cells and make up the genetic material |
| carbohydrate | naturally occurring chemicals that break down into glucose to be in order to use the generation |
| protein | a combination of adjoined amino acids |