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| Consisting of a single cell. |
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"False Feet"
A temporary protrusion of the surface of an ameboid cell for movement and feeding. |
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| A vacuole with a digestive function in the protoplasm of a protozoan |
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| a heavily pigmented region in certain one-celled organisms that apparently functions in light reception. |
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| When two organisms live in symbiosis with one another. When one or more animals rely on each other. |
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| A type of symbiosis in which one organism gains and the other suffers. |
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| A short, microscopic, hairlike vibrating structure. Cilia occur in large numbers on the surface of certain cells, either causing currents in the surrounding fluid, or, in some protozoans and other small organisms, providing propulsion. |
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| A slender threadlike structure, esp. a microscopic whiplike appendage that enables many protozoa, bacteria, spermatozoa, etc., to swim. |
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| The pellicle is a thin layer supporting the cell membrane in various protozoa, protecting them and allowing them to retain their shape. |
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| A depression leading to the mouth in some invertebrates. |
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| A vacuole in some protozoans that expels excess liquid on contraction. Involved in osmoregulation. |
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| Involved in penetrating a host's cell. |
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| An organism that must retrieve nutrients from its outside environment and cannot make it's own food. |
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| An animal that can produce its own energy, there are two types; chemoautotroph and photoautotroph. |
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| A tough protective capsule enclosing the larva of a parasitic worm or the resting stage of an organism |
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| An organism whose cells contain complex structures enclosed within membranes. Many other differences also are present. |
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| The hard outer shell that is present in some protozoans. |
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| The photosynthetic organelle which conducts photosynthesis in plants and in some protists. |
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| a structure in the cortex of certain ciliate and flagellate protozoans consisting of a cavity and long, thin threads that can be ejected in response to certain stimuli. ("Defensive") |
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Definition
| The central and most important part of an object, movement, or group, forming the basis for its activity and growth |
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| the smaller of two types of nuclei found in Ciliata, mainly concerned with reproduction. |
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| The larger of two nuclei found in some Protozoans and concerned with cell division. |
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| flagellated, ell membrane stiffened to form a pellicle, many are autotrophic, some are parasitic. |
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Definition
| have two flagella contained in body grooves, some have body plates, about half are autotrophic. |
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Definition
| "ciliates" have cilia, all are multinucleated and are heterotrophic. |
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| also called sacodines, an informal grouping, have pseudopodia, some have tests, heterotrophic, some parasitic. |
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| an informal grouping, unicellular and multicellular green algae, have chloroplasts, cell walls, and flagella. |
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| an informal term, includes all phyla that posses a flagella. |
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