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18 Cards in this Set
- Front
- Back
Control Variable
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A factor that is prevented from changing during an experiment
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Protozoa
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(singular: Protozoan) Single-celled microscopic, animal-like protists in the kingdom Protisia
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Bacteria
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When spelled with a capital B, it is the name of one of the 3 domains of living things; all members are bacterial
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miroorganism
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(also called microbe) Organism studied with a microscope; includes the viruses
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microbiology
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The study of microorganisms
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cell theory
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Theory formulated by Schleiden and Schwann that cells are the fundamental units of all living things
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variable
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anything that can change in an experiment
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Koch's Postulates
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Four postulates formed by Robert Koch in the 19th century; used to prove that a particular organism cauess a particular disease
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product
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The material resulting from an enzymatic reaction
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antibiotic
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A chemical substance produced by microorganisms that can inhibit the growth of or destry other microorganisms.
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germ theory of disease
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Theory that microorganisms (germs) can invade other organisms and cause disease
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algae
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(singular: alga) Photosynthesis, eukaryotic organisms in the kingdoms Protista and Plantae
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antibiosis
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The natural production of an antimicrobial agent by a bacterium or fungus
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virus
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A submicroscopic, parasitic, acellular microorganism composed of a nucleic acid (DNA or RNA) core inside a protein coat
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spontaneous generation
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The theory that living organisms can arise from nonliving things
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experimental variable
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The factor that is purposely changed in an experiment
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hypothesis
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a tentative explanatin for an observed condition or event
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prediction
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The expected outcome if a hypothesis is correct
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