Eric Walker added Celestial Emporium of Benevolent Knowledge - Wikipedia to Biological classification, Jorge Luis Borges and Michel Foucault

Eric Walker added Hybrid speciation - Wikipedia to Biological classification

Eric Walker added Cladogram - Wikipedia to Biological classification

Eric Walker added Systematics - Wikipedia to Biological classification

Eric Walker added a number of topics and a number of links to Eukaryotes, and added Eukaryotes to Biological classification

Eric Walker added a number of links to Species, and added Species to Biological classification

Eric Walker added a number of links to Cladistics, and added Cladistics to Biological classification

Eric Walker added a number of topics and a number of links to Biological classification, and added Biological classification to Biology

Eric Walker added Linnaean taxonomy and a number of links to Taxonomy (biology), and added Taxonomy (biology) to Biological classification

Eric Walker added Worms, Reptiles and Lizards to Paraphyletic animal taxons, and added Paraphyletic animal taxons to Biological classification and Animal phyla

Eric Walker added Bacteria and Mitochondria and the origin of eukaryotes | Ars Technica to Prokaryotes, and added Prokaryotes to Biological classification and Microbes and microbiology

Eric Walker added a number of topics and a number of links to Biology, and added Biology to Nature and Science, engineering, mathematics and the humanities