Here is your chance to own all the cladogram investigations with one purchase. This cladogram set includes 3 different investigations: original and popular cell phone cladogram WITH key, 2nd version of the cell phone cladogram, and a cladogram investigation with real organisms with key.
Basically you just have to print out about 5 copies of each cladogram, and cut them out (you can ask the students to cut them out and have them shuffle them in the middle). It can be re-used if you laminate them for future years.
Show the students the basics of a cladogram, and have them come up with their cladogram from the different pictures.
The engagement level for the investigations (especially cell phone one) is high but can be challenging. That's why the 2nd version was put in in case it becomes too challenging. But from my experience, the challenge was actually what kept my students interested and engaged. Most cladograms you find online are way too simple without any further branches. I tell my students that the challenge will allow them to understand how cladograms work better than the simple straight forward ones.
At the end of the investigation, I have each group write / present their cladogram so other groups can see that what they had was really similar to others as well.
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