| A | B |
|---|
| scientific methods | procedures used to solve problems and answer questions |
| hypothesis | prediction that can be tested |
| control | standard to which the outcome of a test is compared |
| variable | something in an experiment that can change |
| theory | explanation of things or events based on scientific knowledge resulting from many observations and experiments |
| law | statement about how things work in nature that seems to be true all the time |
| organism | any living things that are made of cells, use energy, reproduce, respond, and grow and develop |
| cell | smallest unit of an organism that can carry on life functions |
| homeostasis | ability of an organism to keep proper internal conditions no matter what external stimuli are occurring |
| spontanious generation | idea that living things come from nonliving things |
| biogenesis | theory that living things come only from other living things |
| phylogeny | evoluntionary history of an organism; used today to group organisms into six kingdoms |
| kingdom | first and largest category used to classify organisms |
| binomial nomenclature | two-word naming system that gives all organisms their scientific name |
| genus | first word of the two-word scientific name used to identify a group of similar species |
