Evolutionary BiologyOxford University Press, Incorporated, 1979 - 565 pagine Futuyma (ecology and evolution, SUNY Stony Brook) covers such subject areas as phylogeny, paleobiology, genetic mechanisms of change and speciation, character evolution, the theory of processes and macroevolution, and new molecular perspectives. Numerous line drawings, charts, diagrams, and maps are provided. Annotation copyrighted by Book News, Inc., Portland, OR |
Dall'interno del libro
Risultati 1-3 di 85
Pagina 225
... important for evolution ? Can a species have one without the other ? 16 Would you expect the amount of genetic variation within a population that inhabits a very changeable environment to be different from that within a population in a ...
... important for evolution ? Can a species have one without the other ? 16 Would you expect the amount of genetic variation within a population that inhabits a very changeable environment to be different from that within a population in a ...
Pagina 242
... important ; even chance is important . RATES OF MUTATION If a population is very large , a mutation rate of 10-5 is a meaningful figure . If the population size is , say , 106 , about 10 progeny in every generation will carry a new ...
... important ; even chance is important . RATES OF MUTATION If a population is very large , a mutation rate of 10-5 is a meaningful figure . If the population size is , say , 106 , about 10 progeny in every generation will carry a new ...
Pagina 475
... important to recognize that the selection guiding cultural change is of the traits themselves , not of the individuals practicing them ; the gun replaces the spear because of its perceived advantage , not because gun carriers have more ...
... important to recognize that the selection guiding cultural change is of the traits themselves , not of the individuals practicing them ; the gun replaces the spear because of its perceived advantage , not because gun carriers have more ...
Sommario
A Synopsis of Evolutionary Theory | 19 |
Heredity and Development | 33 |
The Ecological Context of Evolutionary Change | 51 |
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AA AA adaptive advantageous alleles alterations ancestor animals appear arise associated average become behavior biological birds body bristle cause cent Chapter character characteristics chromosome common complex consists depends derived determined developmental differentiation direction Discuss distribution diversity dominant drift Drosophila ecological effect environment environmental enzyme equilibrium evidence evolution evolutionary evolved example exist extinction factors Figure fitness fossil function gene flow gene frequency genetic genetic variation genotypes geographic greater growth heterozygotes higher highly human hybrid important increase individuals insects instances interactions isolated kinds less loci locus major males mating mean mechanisms mutation natural selection occur offspring organisms origin patterns phenotypic plants Pleistocene polymorphic population possible predators present probability produce recombination relative reproduction response sexual similar single speciation species structure theory tion variance vary