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 91
Pagina 163
... adaptive zone are the progenitors of major new groups . The extinction of the others , by a process of species selection , together with the rapidity of phenotypic change during speciation , yields gaps in the fossil record . Thus the ...
... adaptive zone are the progenitors of major new groups . The extinction of the others , by a process of species selection , together with the rapidity of phenotypic change during speciation , yields gaps in the fossil record . Thus the ...
Pagina 309
... adaptive . Allometric relations may have nonadaptive consequences . For example , among primates only humans have a prominent nose and a protruding chin . These seem ( S. J. Gould 1977 and references therein ) to be consequences of ...
... adaptive . Allometric relations may have nonadaptive consequences . For example , among primates only humans have a prominent nose and a protruding chin . These seem ( S. J. Gould 1977 and references therein ) to be consequences of ...
Pagina 434
... adaptive in themselves ; they are pleiotropic ( sensu lato ) manifestations of genes that have other , adaptive effects . Still other features may well be neutral , having no function whatever . The most extreme , still hypothetical ...
... adaptive in themselves ; they are pleiotropic ( sensu lato ) manifestations of genes that have other , adaptive effects . Still other features may well be neutral , having no function whatever . The most extreme , still hypothetical ...
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