box filled with toy stuffed fish

Using a Key for Fish ID

Identification keys are useful tools. They identify an organism according to its physical characteristics. Using an identification key requires detailed observations of features and characteristics as well as comparing and contrasting these characteristics with those of similar organisms. Students will learn how to identify Minnesota fish species using a dichotomous key.

View and download the lesson plan here.

Credit: MN DNR MinnAqua Program

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