Dichotomous Key

Dichotomous Keys are a visual aid organized into a series of pairs of descriptive characteristics.  You compare the organism to the descriptions to narrow down species options so a scientist can identify the organism.

It’s basically a fancy word for classification!

Here are some resources to help you review….can you complete the activities?  Feel free to print out your activity and hand it in for some extra credit…See you tomorrow 🙂

Basic Dichotomous Key


Click on the box on the left and use the dichotomous key to identify a few of the water creatures below.

Categories:   Interactive, Review


  • Posted: May 1, 2011 12:42

    Dichotomous Keys | The Learning Pad

    [...] the NYS Science Performance exam…which is right around the corner!  I posted about another dichotomous key activity last year and you can try that one too…but can you complete these games/interactives? See [...]
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