Curated OER
Systematics and the Phylogenetic Revolution
This assignment conducts a thorough exploration of systematics. Clearly designed for an AP biology course, questions pertain to taxonomic categories, phylogeny, and construction of cladograms.
CK-12 Foundation
Ck 12: Biology: Prokaryote Evolution
[Free Registration/Login may be required to access all resource tools.] An overview of the evolution of prokaryotes.