Regents Prep: Living Environment
Online Resources

8g. Dichotomous Keys

Dichotomous Keys (Laurie Kleager)
Provides a discussion on how to construct a dichotomous key and links to several different constructed dichotomous keys.

Dichotomous Keys (B. Hoffman)
Provides discussion of the use of dichotomous keys using different types of beans as its introductory example.

Dichotomous Keys (Jim Buckley)
Briefly discusses construction of dichotomous keys and constructs a key for identifying a collection of aquatic invertebrates.

The Dichotomous Key (Frontier High School (Red Rock, OK))
Discusses several approaches for setting up a dichotomous key and provides examples of this.

Using Dichotomous Keys to Identify Trees (Bill Cook)
Provides an introduction to the construction and use of dichotomous keys and then provides the opportunity to use these for tree identification.



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