This animal dichotomous key template is a tool scientists use to classify living things in the natural world, ranging from trees to animals to fungi. It's usually presented as a flowchart, with two options on each branch to help with identification. The term "dichotomous" literally means "divided into two parts." As mentioned in the above animal dichotomous key template, the Dichotomous key is typically presented as a flowchart, but there are a few other ways it can be given. Download EdrawMax today and create a dichotomous key diagram.