Unit of selection and Confirmation of Evolutionary Theory" provides a basic "philosophical" introduction to the debate. Below, cases of selection at the genic, cellular, individual and group level from within the multi-level selection perspective are presented and discussed. George C. Williams in his influential book "Adaptation and Natural Selection" was one of the first to present a gene-centered view of evolution with the gene as the unit of selection, arguing that a unit of selection should exhibit a high degree of permanence. Richard Dawkins has written several books popularizing and expanding the idea. According to Dawkins, genes cause phenotypes and a gene is
The Evolution of Calpurnia Tate natural world ..." It was the recipient of numerous awards including a 2010 Newbery Honor Award, and also honored with the IRA Children's Book Award, the North Carolina Young Adult Book Award, the TN YA Volunteer State Book Award ML, the Virginia M. Law Award., the Josette Frank Award and the Judy Lopez Book Award. It was included in Chicago Public Library Best of the Best list, the Illinois Rebecca Caudill Young Readers Choice Award Master List, the Texas Lone Star Reading List and was a 2009 Junior Library Guild Selection. The Evolution of Calpurnia Tate The Evolution of Calpurnia