| A | B |
|---|
| atutotroph | an organism that makes its own food |
| cell | the basic unit of structure and function in living things |
| cell theory | a widely accepted explanation of the relationship brtween cells and living things |
| compound microscope | a light microscope that has more than one lens |
| external stimulus | a change in an organisms surroundings that causes the organism to react |
| function | the job or process that an organism's structure or part of its structure carries out |
| heterotroph | an organism that cannot make its own food |
| homeostasis | the process by which an organism's internal environment is kept stable in spite of changes in the external environment |
| internal stimulus | a change from within an organism, such as hunger or thirst, that causes the organism to resond |
| magnification | the abbility to make things look larger than they are |
| microscope | an optical instrument that forms enlarged images of tiny objects |
| organism | a living thing |
| reproduce | the production of offspring that are similar to the parents |
| resolution | the ability ti clearly distinguish the individual parts of an object |
| response | an organism's action or change in behavoir that occirs as the result of a stimulus |
| spontaneous generation | the mistaken idea that living things arise from nonliving source |
| stimulus | a change in an organism's surroundings that causes the organism to react |
| structure | an organism's body plan, or the way its parts are constructed or arranged |
