DENDROLOGY

Detailed explanation-1: -A dichotomous key is an important scientific tool, used to identify different organisms, based the organism’s observable traits. Dichotomous keys consist of a series of statements with two choices in each step that will lead users to the correct identification.

Detailed explanation-2: -A dichotomous key breaks down identification into two mutually exclusive options at each step. To use the key, the scientist starts at the top, or beginning, and sees which of the two options apply to their organism. Based on their answer, the key directs them to a new question.

Detailed explanation-3: -A dichotomous key work by asking questions about an organism to which there is only a yes or no response.

Detailed explanation-4: -The name comes from the Greek “di” for “two” and “tome” for “cutting instrument.” As the name suggests, a dichotomous key arrives at the answer to species identification by presenting a series of questions with two possible answers.