This Dichotomous Key example is a useful scientific tool for identifying different organisms based on their observable characteristics. Dichotomous keys are a series of statements, each with two options that guide users to the correct identification. In tree identification, for example, a dichotomous key might ask whether the tree has leaves or needles. If the tree has leaves, the key directs the user down one set of questions; if it has hands, the key directs the user down a different set of questions. As previously stated, the Dichotomous key is typically presented in a flowchart; however, the Dichotomous key can be shown in various ways.
