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Overview:
Students create three-dimensional trees in the form of mobiles so that the branching nodes pivot. Students can manipulate the mobile to see the relationships more clearly and combat common misconceptions about trees.Author/Source:
Carolina Grade level:
9-12 Time:
30 minutes Teaching tips:
This is a simple introductions to cladistics, but should be followed up with more in-depth activities on tree thinking. Concepts:
Correspondence to the Next Generation Science Standards is indicated in parentheses after each relevant concept. See our conceptual framework for details. - Present-day species evolved from earlier species; the relatedness of organisms is the result of common ancestry. (LS4.A)
- Evolutionary trees (i.e., phylogenies or cladograms) portray hypotheses about evolutionary relationships.
Teacher background: |
