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39 Cards in this Set
- Front
- Back
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Temporary, foot-like extension of a cell, used for locomotion or engulfing food |
pseudopod |
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Region of a eukaryotic cell that contains the cell's main DNA |
nucleus |
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Membrane-bounded "sac" within a cell |
vacuole |
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Thin, watery cytoplasm near the plasma membrane of some cells |
ectoplasm |
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Dense cytoplasm found in the interior of many cells |
endoplasm |
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Protozoan that propels itself with a flagellum |
flagellate |
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Firm, flexible coating outside the plasma membrane |
pellicle |
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Organelle containing chlorophyll for photosynthesis |
chloroplast |
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Pigment necessary for photosynthesis |
cholorphyll |
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Light-sensitive region in certain protozoa |
eyespot |
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A close relationship between two or more species where at least one benefits |
symbiosis |
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A relationship between two or more organisms of different species where all benefit from the association |
mutualism |
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A relationship between two organisms of different species where one benefits and the other is harmed |
parisitism |
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Hairlike projections that extend from the plasma membrane and are used for locomotion |
cilia |
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Reproductive cell with a hard, protective coating |
spore |
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Tiny organisms that float in the water |
plankton |
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Tiny floating organisms that are either small animals or protozoa |
zooplankton |
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Tiny floating photosynthetic organisms, primarily algae |
phytoplankton |
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Body of a plant-like organism that is not divided into leaves, roots, or stems |
thallus |
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Substance (made of sugars) that is common in the cell walls of many organisms |
cellulose |
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Special structure used by an organism to anchor itself (i.e. kelp or seaweed from genus Macrocytis & phylum Phaeophyta) |
holdfast |
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Colony that uses holdfasts to anchor itself to an object |
sessile colony |
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4 genera containing organisms with chloroplasts |
Amoeba, Euglena, Paramecium, Spirogyra |
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Collects excess water in a cell and releases it into the surroundings to reduce the pressure inside the cell |
contractile vacuole |
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Stores food while it is being digested in a cell; has nothing to do with excess water or pressure |
food vacuole |
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Five pathogenic organisms from kingdom Protista, and the diseases they cause |
Entamoeba histolytica--dysentery Trypanosoma--African sleeping sickness Balantidium coli--dysentery Plasmodium--malaria Toxoplasma--toxoplasmosis |
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Organisms (and their phylum) responsible for most of earth's photosynthesis |
diatoms, from Phylum Chrysophyta |
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Large deposits of diatom remains |
diatomacceous earth |
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An algae bloom of dinoflagellates (phylum Pyrrophyta) |
red tide |
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Two phyla principally containing macroscopic algae |
Phaeophyta and Rhodophyta |
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Substance produced by members of phylum Phaeophyta (brown algae) that is useful for thickening ice cream, pudding, salad dressing, and jelly beans |
alginic acid (algin) |
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Genus of round, green colonies found in phylum Mastigophora |
genus Volvox |
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Relationship in which one organism benefits and the other neither benefits nor is harmed |
commensalism |
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Larger of two nuclei in genus Paramecium, that controls metabolism |
macronucleus |
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Smaller of two nuclei in genus Paramecium, that controls reproduction |
micronucleus |
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Mosquito-borne disease caused by organisms from phylum Sporozoa in genus Plasmodium |
malaria |
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Term used to describe algae reproducing so rapidly that they essentially "take over" their habitat |
algal bloom |
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Members of phylum Pyrrophyta with two flagella |
dinoflagellates |
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Members of phylum Rhodophyta |
red algae |
