Two empires or three?
Mayr
E
E
Professor Emeritus, Museum of Comparative Zoology, Harvard University, 26 Oxford Street, Cambridge, MA 02138, USA. emayr@oeb.harvard.edu
D000818:Animals; D001105:Archaea / Q000145:classification; D001419:Bacteria / Q000145:classification; D005075:Biological Evolution; D002965:Classification; D017753:Ecosystem; D005057:Eukaryotic Cells; D006801:Humans; D010641:Phenotype; D011387:Prokaryotic Cells