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dichotomous key

   Also found in: Wikipedia 0.01 sec.
dichotomous key
n
(Life Sciences & Allied Applications / Botany) a key used to identify a plant or animal in which each stage presents descriptions of two distinguishing characters, with a direction to another stage in the key, until the species is identified


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Then, have students use the photos create their own dichotomous key for identifying the animals.
They provided a dichotomous key to the seventeen families and a checklist of the fifty-nine species, and three hybrid taxa known to occur in the study area.
They give lists of nominal species, measurements of all populations characterized for each species, comprehensive tables and dichotomous keys for species identification, new diagnostic technologies based on biochemical and molecular analysis, life cycle, epidemiology and ecology.
 
 
 
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