id author title date pages extension mime words sentences flesch summary cache txt work_sbpesovbs5g4fcwho5rqtya6ta A. Ariew The Confusions of Fitness 2004 17 .pdf application/pdf 6818 369 47 important fraction of cases, even complete information on relative reproductive rates is insufficient to determine whether a type will increase or decrease population is decreasing in numbers, those types that reach reproductive age reproductive fitnesses to any other natural properties of the organisms. 3 Reproductive fitness and genetical models of evolution selection to create a general abstract structure in which ecological and demographic details are irrelevant, no such structure is possible and no modelindependent measure of reproductive fitness can be derived (for a similar view of a single most-fit genotype, or because it is at the intermediate stable equilibrium of frequencies predicted from the viabilities in the case that heterozygotes The assumption in the Standard Viability Model that fitnesses are independent of the frequencies of the genotypes is generally incorrect. fitnesses consequent on changes in genotypic frequency may lead to a decrease Since it identifies fitness differences with changes in frequency of types, ./cache/work_sbpesovbs5g4fcwho5rqtya6ta.pdf ./txt/work_sbpesovbs5g4fcwho5rqtya6ta.txt