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science ch.3
vocabulary
| Question | Answer |
|---|---|
| protist | a eukaryotic organism that cannotbe classified as ananimal, plant, or 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 hair like projections on the outside of the cells that move in a wavelike manner |
| symbiosis | a close relationship between two organisms benefits |
| mutualism | a type of symboisis in which both partners benefit from living together |
| algae | plant like protist |
| pigment | a chemical that produces color |
| spore | a tiny cell that is able to grow into a new organism |
| algal bloom | The rapid growth of a population of algae |
| red tide | An algae bloom that occurs in salt water |
| eutrophication | The bildup over time of nutrients in freshwater lakes and ponds that leads to an increase in the growth of algae |
| fungi | A eukaryoitic 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 sturcture of a fungus that contains many hypae and produces spores |
| budding | A form of asexual reproduction of yeast in which a new cell grows out of the body of a parents |
| lichen | The combination of a fungus and either an alga or an auitrophic bacterium that live together in a mutualistic relationship |
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aleeza9695
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