assortment selection
51Competitive altruism — is a possible mechanism for the persistence of cooperative behaviors, specifically those that are performed unconditionally. The theory of reciprocal altruism can be used to explain behaviors that are performed by a donor who receives some sort… …
52biology — /buy ol euh jee/, n. 1. the science of life or living matter in all its forms and phenomena, esp. with reference to origin, growth, reproduction, structure, and behavior. 2. the living organisms of a region: the biology of Pennsylvania. 3. the… …
53sex — /seks/, n. 1. either the male or female division of a species, esp. as differentiated with reference to the reproductive functions. 2. the sum of the structural and functional differences by which the male and female are distinguished, or the… …
54Kumari (children) — Sajani Shakya, a former Kumari of Bhaktapur, Nepal. Photographed by Andy Carvin during her June 2007 visit to the United States to the Film Festival Silverdocs Kumari, or Kumari Devi, is the tradition of worshipping young pre pubescent girls as… …
55choice — I (New American Roget s College Thesaurus) Act of choosing Nouns 1. choice, option, selection, determination, pick, discretion; preference, predilection, fancy, penchant; choosiness, discrimination; volition, desire; adoption, judgment; triage;… …
56Crayola — LLC Crayola logo used since 2003 Type Privately held company Industry Arts and crafts, Toys Predecessor …
57Chevrolet Malibu — Manufacturer General Motors Model years 1964–1983 1997–present Class Mid …
58The Adapted Mind — The Adapted Mind: Evolutionary Psychology and the Generation of Culture is an edited volume, first published in 1992 by Oxford University Press, edited by Jerome Barkow, Leda Cosmides and John Tooby. It is widely considered the foundational text… …
59India — /in dee euh/, n. 1. Hindi, Bharat. a republic in S Asia: a union comprising 25 states and 7 union territories; formerly a British colony; gained independence Aug. 15, 1947; became a republic within the Commonwealth of Nations Jan. 26, 1950.… …
60radiation — radiational, adj. /ray dee ay sheuhn/, n. 1. Physics. a. the process in which energy is emitted as particles or waves. b. the complete process in which energy is emitted by one body, transmitted through an intervening medium or space, and… …
