Flashcards: Protozoa
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Created by:
campbellsr on December 7, 2010
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Terms | Definitions |
|---|---|
 eyespot | detects light |
| chloroplast | makes food |
| anal pore | removes waste |
| pellicle | gives cell definite shape |
| oral groove | directs food into food vacuoles |
| trichocyst | defense in paramecium |
| flagella | whiplike tails found in one-celled organisms to aid in movement |
| nucleus | controls activies of the cell |
| micronucleus | used in conjugation |
| food vacuole | digests food |
| contractile vacuole | regulates water content of the cell |
| eukaryotic | Cells that contain a nucleus and organelles. All cells, except bacteria; are this. |
| germ layers | Three main layers that form the various tissues and organs of an animal body. |
| mutualistic | both parties gain from association w/ each other; ex. intestinal bacteria |
| commensal | organism that lives in/on another organism, but causes no harm to the host |
| parasitic | living at expenses of others, mooching |
| autotrophic | type of nutrition in which plants make their own food |
| heterotrophic | cannot synthesize their own food and must obtain nutrients from other organisms |
| prokaryotic | having cells that lack membrane-bound nuclei |
| symbiosis | any relationship in which two species live closely together with mutalism, commensalism, parasitism |
| metazoa | All animals except protozoa; all multicellular organisms |
| amoeba | shapeless protozoan; contractile vacuole; pseudopods |
| euglena | minute single-celled green freshwater organism having a single flagella |
| paramecium | unicellular slipper-shaped ciliate protist |
| blepharisma | single-cell, rosy colored, pear-shaped found in pond water, moves by cilia |
| conjugation | Exchange of genetic information in ciliates |
| binary fission | a form of asexual reproduction in which one cell divides to form two identical cells |
| asexual reproduction | new organism formed from a single parent |
| cytoplasm | The area inside a cell between the nucleus & the cell membrane, where organelles can be found |
| phagocytosis | the process by which a cell engulfs foreign substances or other cells |
| cilia | The hairlike projections on the outside of cells that move in a wavelike manner |
| psuedopodia | Means "false feet" and they are how Amoebas move and get food. |
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