PDF-(DOWNLOAD)-Natural Selection and Social Theory: Selected Papers of Robert Trivers (Evolution

Robert Trivers is a pioneering figure in the field of sociobiology For Natural Selection and Social Theory he has selected eleven of his most influential papers including several classic papers from the early 1970s on the evolution of reciprocal altruism parentoffspring conflicts and asymmetry in sexual selection which helped to establish the centrality of sociobiology as well as some of his later work on deceit in signalling sex antagonistic genes and imprinting Trivers introduces each paper setting them in their contemporary context and critically evaluating them in the light of subsequent work and further developments The result is a unique portrait of the intellectual development of sociobiology with valuable insights for evolutionary biology anthropology and psychology. Scientific Theory. Social use of the word “theory”. Not the same as in science. Implies a hunch or a casual guess. Scientific Theory. 1. Highly probable explanation based on vast collections of scientific data. Evolution- changes in the characteristics of groups of organisms over time . Charles Darwin was the first to propose a feasible . mechanism. for evolution. It is called . natural selection. . . Evolution by Natural Selection is a theory. . Why the -ism?. The –ism indicates a “belief”. Why the -ism?. By the end of this unit,. I hope to show you, . - There is no logical basis for believing in Evolution. - That . Evolution is nothing more than a . Testable Hypotheses. Use if…then… logic. Collect data . Reject the null hypothesis. Support the hypothesis. Devise another test, and another, and another!. Darwinian Theory. Evolutionary change is inevitable if:. Danielle Donahue. Aa. A. daptation: a well fitted feature that aids in the survival of a population. Example: the blind cave salamander has no use for eyes because they live in complete darkness. Bb. What is natural selection?. It’s the . process whereby organisms better adapted to their environment tend to survive and produce more offspring. . The . theory. of its action was first fully . explained . EARLY THEORIES OF EVOLUTION. DARWIN, WALLACE, & . THE ORIGIN. DARWIN’S THEORIES OF EVOLUTION. WHAT EVOLUTION IS NOT. MODERN SYNTHESIS. BIOGEOGRAPHY. SCHOOLS OF SYSTEMATICS. Early theories of natural history and classification treated living things as immutable and were . Modern Theory of Evolution) . Review Questions. What structure does this picture represent?. Answer: Homologous Traits . What is an adaptation?. A) . A test for natural selection . B) . A. . physical or behavioral characteristic that has developed to allow an organism to better survive in its environment. Evolutionary Ideas. A. lthough Darwin is given much credit for evolutionary theory, he was not the first person to come up with the idea.. Evolution is the change in a population over time.. The concept of evolution had been discussed for more than 100 years prior to Darwin’s theory.. Chapter 8B. History of Evolutionary Theory. I. History of Evolutionary Theory. Definitions. 1. Evolution. Evolution. The gradual change that causes something to improve or become more complex. Ex.) The . Progress . or Regression? . Collect Notebooks!. Anglo-Saxon Destiny. Does Anglo-. Saxon Destiny . remind you of any other “destiny” from history? . Imperialism. Imperialism: policy of extending a nation’s authority by establishing political or economic control over another area or people . Gibson. Geoscience Research Institute. www.grisda.org. Summary. Evolution is the theory that all organisms have descended from a common ancestor by unguided (natural) processes.. The Cambrian Explosion contradicts the pattern . wallace. and was explained in book “ on the origin of species by means of Natural Selection . . Darwin put the theory based on his observations as he travelled round the world on the ship Beagle.. and Variation . What is Evolution?. Simply… a change in living organisms over time. Why study evolution?. Evolutionary concepts provide a solid foundation to much of modern biology. - . you can’t fully understand current trends in biology or you will have difficulty understanding evolution.