单词 | inclusive fitness |
释义 | > as lemmasinclusive fitness inclusive fitness n. Biology the fitness of an individual organism as measured by the survival and reproductive success of its kinship group, calculated according to an individual's reproductive success and that of its relatives weighted according to their degree of relatedness to the individual. See fitness n. Additions c(b). The theory of inclusive fitness is used to explain the genetic basis behind certain social behaviour, esp. altruism. Cf. group selection n. at group n. Compounds 2, kin selection n. at kin n.1 Additions. ΘΚΠ the world > life > biology > biological processes > evolution > [noun] > fitness to survive and reproduce > measures of Darwin1949 millidarwin1949 fitness1953 inclusive fitness1964 1963 W. D. Hamilton in Amer. Naturalist 97 355 Provided fitness is reckoned in terms of ‘inclusive’ genotype-reproduction, and the dilution due to unrelated genes is allowed for, the classical treatment of dominance and epistasis can be followed closely.] 1964 W. D. Hamilton in Jrnl. Theoret. Biol. 7 8 For an important class of genetic effects where the individual is supposed to dispense benefits to his neighbours,..the average inclusive fitness in the population will always increase. 1987 Panama City (Florida) News-Herald 13 Sept. b13/3 Inclusive fitness leads to a process of selection of males by females, because she has more to risk when mating–the pregnancy leaves her vulnerable to attack and disease and she must sacrifice more time to reproduce. 1997 J. C. Schuster & L. B. Schuster in Evol. Social Behaviour Insects & Arachnids xii. 265/2 The teneral adults..can work in pupal case building and repair, behaviour that augments the inclusive fitness of the teneral adults. 2010 New Scientist 2 Oct. 8/3 In theory, inclusive fitness makes it possible to calculate the extent of the spread of a given altruistic behaviour—such as staying with your parents to raise your siblings—through a population. < as lemmas |
随便看 |
英语词典包含1132095条英英释义在线翻译词条,基本涵盖了全部常用单词的英英翻译及用法,是英语学习的有利工具。