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| Term | Definition |
|---|---|
| Protozoan | an animal-like protist. |
| Pseudopod | a"false foot" or temporary bulge of the cell membrane 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 in which at least one of the organisms benefits. |
| Mutualism | A type of in which both partners benefit from living together. |
| Spore | A cell that is able to grow into a new organism |
| Algae | A plantlike protist. |
| pigment | A chemical that produces color. |
| Algal bloom | The rapid growth of population of algae. |
| red tide | An algal bloom that occurs in salt water. |
| euthrophication | The buildup over time of nutrients in freshwater lakes and ponds that leads to an increase in the growth of algae. |
| hypha | one of many branching, threadlike tubes that make up the the body of a fungus. |
| fruiting body | The reproductive hypha of a fungas |
| budding | A form of asexual reproduction of yeast in which a new yeast cell grows out of the body of a parent . |
| litchen | The combination of a fungus and either an algae or an autotrophic bacterium that live together in a mutualistic relationship. |