| A | B |
|---|
| scientific methods | series of procedures used to solve a problem |
| hypothesis | prediction that can be tested |
| variable | something in an experiment that can change |
| control | standard to which the outcome of a test is compared |
| theory | explanation of things or events based on scientific knowledge |
| law | statement of how things work in nature |
| organism | any living thing |
| cell | smallest unit of an organism that carries on the functions of life |
| homeostasis | organisms ability to keep proper conditions inside no matter what is going on outside |
| spontaneous generation | idea that living things come only from nonliving things |
| biogenesis | theory that living things come only from living things |
| phylogeny | evolutionary history of an organism |
| kingdom | first and largest category |
| binomial nomenclature | system used by scientists to name organisms |
| genus | group of similar species |
