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Audesirk Ch20
Virginia Tech Biology Lipscomb
| Question | Answer |
|---|---|
| acellular slime mold | a type of funguslike protist that forms a multinucleate structure that crawls in amoeboid fashion and ingests decaying organic matter; also called plasmodial slime mold. |
| algae | any photosynthetic member of the eukaryotic kingdom Protista. |
| alveolate | a large assemblage of protists that is assigned kingdom status by many systematists. The alveolates, which are characterized by a system of sacs beneath the cell membrane, include ciliates, foraminiferans, dinoflagellates, and apicomplexans. |
| amoeba | a type of animal-like protist that uses a characteristic streaming mode of locomotion by extending a cellular projection called a pseudopod. |
| apicomplexan | a member of the protist phylum Apicomplexa, which includes mostly parasitic, single-celled eukaryotes such as Plasmodium, which causes malaria in humans; are part of a larger group known as the alveolates. |
| cellular slime mold | a funguslike protist consisting of individual amoeboid cells that can aggregate to form a sluglike mass, which in turn forms a fruiting body. |
| cilia | a short, hairlike projection from the surface of certain eukaryotic cells that contains microtubules in a 9 + 2 arrangement. The movement of cilia may propel cells through a fluid medium or move fluids over a stationary surface layer of cells. |
| ciliate | a protozoan characterized by cilia and by a complex unicellular structure, including harpoonlike organelles called trichocysts. Members of the genus Paramecium are well-known ciliates. |
| diatom | a protist that includes photosynthetic forms with two-part glassy outer coverings; important photosynthetic organisms in fresh water and salt water. |
| dinoflagellate | a protist that includes photosynthetic forms in which two flagella project through armorlike plates; abundant in oceans; can reproduce rapidly, causing “red tides.” |
| euglenid | a protist characterized by one or more whiplike flagella that are used for locomotion and by a photoreceptor that detects light. Euglenoids are photosynthetic, but if deprived of chlorophyll, some are capable of heterotrophic nutrition. |
| foraminiferan | an aquatic (largely marine) protist characterized by a typically elaborate calcium carbonate shell. |
| phytoplankton | photosynthetic protists that are abundant in marine and freshwater environments. |
| plasmodium | a sluglike mass of cytoplasm containing thousands of nuclei that are not confined within individual cells. |
| protist | a eukaryotic organism that is not a plant, animal, or fungus. The term encompasses a diverse array of organisms and does not represent a monophyletic group. |
| protozoa | a nonphotosynthetic or animal-like protist. |
| pseudoplasmodium | an aggregation of individual amoeboid cells that form a sluglike mass. |
| pseudopod | an extension of the plasma membrane by which certain cells, such as amoebae, locomote and engulf prey. |
| radiolarian | an aquatic protist (largely marine) characterized by typically elaborate silica shells. |
| water mold | a funguslike protist that includes some pathogens, such as the downy mildew, which attacks grapes. |
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hgarcia
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