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Science V.
science vocab
| Question | Answer |
|---|---|
| Virus | A tiny non-living particle that invades and then reproduces inside a living cell. |
| Host | The organism that a parasite or virus lives in or on. |
| Parasite | The organism that benefits by living on or in a host in a parasitism interaction. |
| Bacteriophage | A virus that infects bacteria. |
| Bacteria | Single-celled organisms that lack a nucleus; prokaryotes. |
| Flagellum | a long whip-like structure that helps a cell to move |
| asexual reproduction | a reproductive process that involves only one parent and produces offspring that are identical to the parent |
| sexual reproduction | reproductive process that involves two parents that combine their genetic material to produce a new organism, which differs from both parents |
| conjugation | the process in which a unicellular organism transfers some of its genetic material to another unicellular organism |
| endospore | a small, rounded, thick-walled, resting cell that forms inside a bacterial cell |
| pasteurization | a process of heating food to a temperature that is high enough to kill most harmful bacteria without changing the taste of the food |
| decomposer | an organism that breaks down chemicals from wastes and dead organisms, and returns important materials to the soil and water |
| protist | a eukaryotic organism that cannot be classified as an animal, a plant, or a fungus |
| protozoan | an animal-like protist |
| pseudopod | a "false foot" or temporary bulge of cytoplasm used for feeding and movement in some protozoans |
| contractile vacuole | the cell structure that collects extra water from the cytoplasm and then expels it from the cell |
| cilia | the hairlike projections on the outside of cells that move in a wavelike manner |
| symbiosis | a close relationship between two organisms of different species that benefits at least one of the organisms |
| mutualism | a close relationship between two organisms of two species in which both organisms benefit. |
| algae | plantlike protists |
| fungi | a eukaryotic organism that has cell walls, uses spores to reproduce, and is a heterotroph that feeds by absorbing its food |
| hyphae | the branching, threadlike tubes that make up the bodies of multicellular fungi |
| fruiting body | the reproductive structure of a fungus that contains many hyphae and produces spores |
| budding | a form of asexual reproduction of yeast in which a new cell grows out of the body of a parent |
| lichen | the combination of a fungus and either an alga or an autotrophic bacterium that live together in a mutualistic relationship |
| binary fission | a form of asexual reproduction in which one cell divides to form two identical cells. |
| spore | a tiny cell that is able to grow into a new organism. |
Created by:
mufi
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