Dichotomous Key Teacher Resources
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Use of Dichotomous Keys to Identify Stream Organisms
8th - 12th
What kind of organisms are living in the stream? After an explanation on how to use a dichotomous key, groups of three to four use the keys to identify macroinvertebrates from a local freshwater stream. Using the the concept of Stream...
Creating a Dichotomous Key for Families of Idaho Butterflies
9th - Higher Ed
Students are shown how to use the butterfly section of the Digital Altals of Idaho. They discuss how to make a dichotomous key. Students use their skills of observation and recognize defining characteristics that distinguish different...
Dichotomous Keys: Identification Achievement Unlocked
6 mins 7th - 12th
Do you know the difference between a mountain lion, puma, cougar, and Texas panther? They are all the same animal but have different names in different areas of the world, which is why we use scientific names for plants and animals. The...
Animal Classification: A Collaborative Sorting Activity for Key Stages 2 & 3
4th - 8th CCSS: Adaptable
Introduce the logic behind a dichotomous key or administer a group performance assessment with a fun and challenging classification lesson. With explicit instructions for the teacher and for collaborative groups, as well as engaging...