Definition of «dichotomous keys»

In simple terms, a dichotomous key is a tool used to identify things by making a series of choices. It has pairs of descriptions and you choose the one that matches what you're trying to identify. Based on your choices, it leads you to the correct answer.

Sentences with «dichotomous keys»

In the form of both a printed book and an offline app for iPhones and Androids, the guide will include colorful images showing detailed characteristics and vegetative features of each grass, an easy - to - use dichotomous key, and information on each plant's history, forage value, fire resistance, and other details. (aspb.org)
This dual resource will meet the needs of land managers making economic decisions regarding livestock production and field treatments; university students in wildlife and range sciences conducting class exercises and field research; K - 12 educators during field botany excursions, teaching the use of dichotomous keys, and ecosystem studies; and recreationists engaged in nature study. (aspb.org)
Students look at a simple dichotomous key that classifies vertebrates: mammals, birds, fishes, frogs and reptiles. (teacherstryscience.org)
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