Using dichotomous keys, and creating individual dichotomous keys, are learning standards in most middle school science curricula. It teaches students how living things are grouped together by scientists, ultimately leading to their Genus and species name, making up their scientific name. For example, we humans are Homo sapiens.
The following New York State Intermediate Science learning standards are addressed in this lesson:
S2.1d use appropriate tools and conventional techniques to solve problems about the natural world, including: classifying
Standard 4 General Skills:
5. classify objects according to an established scheme and a student-generated scheme
6. develop and use a dichotomous key
Materials Required: Fish Classification Handout.