The Phylogenetic Tree
In this biology activity, learners label parts of a phylogenetic tree and differentiate between bilateral symmetry and radial symmetry.
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Using Amino Acid Sequences to Show Evolutionary Relationships
Junior biologists compare the amino acid sequences from fragments of five different globin molecules. They count the letter differences between each species pair. They construct a graphic representation of the evolutionary relationships...
10th - 12th Science
LS4A - Evidence of Common Ancestry and Diversity
Need help putting together an uncommonly good unit about common ancestry? Check out a video that covers NGSS standard LS4A, Evidence of Common Ancestry and Diversity. Topics include ways to convey similarities and differences between...
6 mins 3rd - 12th Science