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Science test april 6
Science test 9.0
| Question | Answer |
|---|---|
| Organism | something that has all the characteristics of life. |
| Cell | the smallest unit of life |
| Unicellular | a living thing that is made up of only one cell. |
| Multicellular | a living thing that is made up of two or more cells. |
| Homeostasis | an organism’s ability to maintain steady internal conditions when outside conditions change. |
| Binomal nomenclature | a naming system that gives each organism a two-word scientific name. |
| Species | group of organisms that have similar traits and are able to produce fertile offspring. |
| Genus | a group of similar species. |
| dichoto,ous key | a series of descriptions arranged in pairs that lead the user to the identification of an unknown organism. |
| Cladogram | branched diagram that shows the relationships among organisms, including common ancestors. |
| Light microscopw | a microscope that uses light and lenses to enlarge an image of an object. |
| Compound microscope | light microscope that uses more than one lens to magnify an object. |
| Electron microscope | a microscope that uses a magnetic field to focus a beam of electrons through an object or onto an object’s surface |