Dichotomous Keys This activity teaches what a dichotomous key is, how to use it, and provides students with an opportunity to design their own! The main theme is turtles, but this activity contains supplemental worksheets for additional practice
Keys to a hidden marine world A screen shot of the home page of the Antarctic Marine Protists taxonomic key website. Users can click on the images to launch keys to the relevant taxonomic group. Many of the images were taken in the Australian Antarctic Division’s electron microscopy laboratory. Others are credited and referenced accordingly.