| Term | Definition |
| magnification | is the ability to make things look larger then they are |
| cell theory | is a widely accepted explanation of the relationship between cells and living things |
| light microscope | the lenses in light microscopes magnify an object by bending the light that passes through them |
| resolution | the ability to clearly distinguish the individual parts of an object |
| specialized cells | nerve cells carry information throughout the human body red blood cells carry oxygen |
| response | an organism reacts to a stimulus with a response -an action or change in behavior |
| stimulus | change in an organisim's surroundings that cause the organisims to react |
| homeostasis | maintenance of stable internal conditions |
| taxonomy | scientific study of how living things are classified |
| genus | first word in scientific name |
| species | group of similar organisims that can mate with each other and produce offspring that can also mate or reproduce |
| multicellular | more than one cell |
| unicellular | one cell |
| spontaneous generation | mistaken idea that livings things can come from non living things |
| autotroph | make own food |
| heterotroph | cannot make own food |
| prokaryotes | cells lack a nucleus |
| eukaryotic | has nucleus |
| electron microscope | uses beam of electrons instead of light to produce magnified image |
| kingdoms | kingdoms- protists, fungi, plants, animals organisims which they have- seaweed, mushroom, mold, mildew, dandelions, dog, flea |
| three domains | bacteria-prokaryotes archaea- prokaryotes eukarya- eukaryotes |
| microscope does | makes small objects larger |