| Term | Definition |
|---|
| Virus | a tiny, non-living particle that invades and then reproduces inside a living cell |
| In what way are viruses like organisms? | they can multiply |
| Two basic parts of all viruses | protein coat and genetic material |
| Bacteria | prokaryotes-genetic material is not contained in a nucleus |
| flagellum | a long, whiplike structure that helps a cell to move |
| How long does it take bacteria to reproduce | 20 minutes |
| How do heterotrophic bacteria get food | eat other organisms or food other organisms make |
| How do autotrophic bacteria get food | make their own food from 1. sun or 2. chemicals |
| How are bacteria used by humans? | 1. to clean up oil spills 2. to make medicines 3. to make food like yogurt |
| 3 bacterial shapes | Rod-Bacilli; Sphere-cocci; Spiral-Spirilla |
| Protists | Eukaryotes that are not plants, animals, or fungi |
| Animal-like protists | called Protozoans; unicellular, heterotrophs, can move |
| Plant-like protists | called Algae, autotrophs, some unicellular, some multicellular, some live in colonies |
| Fungi | eukaryotic, multicellular, heterotrophic, have cell walls |
| Hyphae | name of fungus cells |
| fruiting body | reproductive structure that fungi make spores in |
| spore | a tiny cell that is able to grow into a new organism |
| endospore | small, rounded, thick-walled resting cell that forms inside a bacterial cell |
| budding | a form of asexual reproduction that yeast undergo |
| cilia | hairlike projections from cells that move with a wavelike motion |
| pseudopod | temporary bulge in an amoeba that enable it to move |
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