TY - BOOK AU - Ehrlich,Paul R. TI - Human natures :genes, cultures, and the human prospect SN - 155963779X U1 - 599.9 23 PY - 2000/// CY - Washington, D.C. PB - Island Press [for] Shearwater Books KW - Human evolution KW - Social evolution KW - Human behavior KW - Human beings KW - Animal nature N1 - Includes bibliographical references (p. 433-508) and index ER -