| A | B |
|---|
| organism | a living thing |
| cell | basic unit of structure and function in a living thing |
| unicellular | an organism composed of a single cell |
| multicellular | an organism made up of many cells |
| development | the process of change that makes an organism more complex |
| growth | the process of change that makes an organism larger |
| stimulus | change in an organisms surroundings that causes the organism to react |
| response | an action or change in behavior that occurs as a result of a stimulus |
| reproduce | production of offspring that are similar to parents |
| control | all identical factors in an experiment |
| variable | the one changed factor in an experiment |
| autotroph | an organism that produces its own food |
| heterotroph | an organism that relies on other sources for food |
| homeostasis | maintenance of stable internal conditions despite changes in surroundings |
