| A | B |
|---|
| control experiment | comparison of an experimental group and control group |
| theory | an explantion of several observations |
| law | summarizing statement of facts |
| homeostasis | all organisms must maintain stable internal conditions |
| metabolism | organism must use its own energy or energy gained from other organisms to perform life activities |
| cellular organization | all organisms are made of at least one cell |
| heredity | all organisms have DNA which contain genetic information |
| reproduction | all organisms must be able to produce more of its own kind |
| scientific method | a series of organized steps that scientists use to guide the investigative process |
