Define species - answer✔✔*collection of strains* sharing many stable properties and differing
significantly from other groups of strains
Define strain - answer✔✔A *population* descending from a single organism or pure culture
isolation
3 types
Biovars
Morphovars
Serovars
Biovars - answer✔✔same species w/ *biochemical and physiological differences*
Morphovars - answer✔✔same species w/ *morphological differences*
Serovars - answer✔✔same species w/
*antigenic properties*
Type strain - answer✔✔usually one of the 1st strains discovered
-most fully characterized and described
-holds the species name
Linnaeus binomial system - answer✔✔-organism is given a scientific name based on genus and
species.
- genus:capitalized
species: lowercase
(Both italicized)
Morphological features examples - answer✔✔-cell shape & size
-colonial morphology
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