title: Behavior. The ultimate ecosystem engineers.
authors: Archaeobiology Program, National Museum of Natural History, Smithsonian Institution, Washington, DC 20560, USA. smithb@si.edu
authors: Bruce D
authors: BD
authors: Smith
mesh_terms: D000383:Agriculture; D000822:Animal Husbandry; D000818:Animals; D000829:Animals, Domestic; D001519:Behavior; D005075:Biological Evolution; D017753:Ecosystem; D004777:Environment; D006801:Humans