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23 Cards in this Set
- Front
- Back
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virus |
a tiny nonliving particle particle that invades and then reproduces inside a living cell |
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host |
the organism that a parasite or virus lives in or on |
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parasite |
organism that benifit by living on or in a host in a oarasitism interaction |
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bacteiophage |
virus that infects bacteria |
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vaccine |
in a vaccination a substance used in a vaccination |
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bacteria |
single celle organisms that lack a nucleas |
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flagellum |
a long whiplike structutre that helps a a cell that helps a cell move |
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binary fission |
a form of asexual reproduction in whick one cell divides to form two identical cells |
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asexual reproduction |
reproduction that involves one parent and produces offspring that is identical to the parent |
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sexual reproduction |
reproduction with two parents that combine genetic material which differs from both parents |
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conjugation |
process which a unicellular organism transfers some genetic material to another unicellular |
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endospore |
a small rounded thick-walled,resting cell that forms inside a bacteria cell |
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pasteurization |
a process of heating food to treat a temperature that is high enough to kill most harmful bacteria without changing the taste f food |
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decomposer |
an organism that breaks down chemicals from wastes and dead organisms and returns important materials back to the soil |
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protists |
a eukaryotic organism that cannot be classified as an animal, plant, fungus |
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protozon |
an animal like protists |
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pseudopod |
a ´false foot'or tempory bulge bulge of cytoplasm used for feeding and movement in some protozoans |
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contractile vacuole |
the cell structure that collects extra water from the cytoplasm and then expels it from the cell |
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cilia |
the hairlike projections on the outside of cells that move in a wavelike manner |
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symbiosis |
a close relationship between t least two organisms of different species that benifits at least one of the organisms |
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mutualism |
n |
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algae |
j |
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spore |
ij |
