This couplet dichotomous key activity gives students practice in classifying unknown organisms. It includes 18 weird looking aliens. The colorful Alien Mug Shot Sheet can be laminated for future use or the sheets can be run off in booklet format to create an engaging activity for each student. And if you like this- try my Criminal Jack O' Lanterns Dichotomous Key activity! It's really cool!
taxonomy, classification of organisms, dichotomous keys