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 53
Pagina 21
... exist without preexisting variation . Evolution can consist of changes at each of the levels at which variation exists . So the evolution of body size can be described as changes in the proportions of large vs. small species ( e.g. ...
... exist without preexisting variation . Evolution can consist of changes at each of the levels at which variation exists . So the evolution of body size can be described as changes in the proportions of large vs. small species ( e.g. ...
Pagina 218
... exist within the species , as Kindred's work on vibrissa number in mice shows . Darwin noted that artificial selection had yielded breeds of pigeons with characteristics that distinguish families or orders of birds ; the fantail breed ...
... exist within the species , as Kindred's work on vibrissa number in mice shows . Darwin noted that artificial selection had yielded breeds of pigeons with characteristics that distinguish families or orders of birds ; the fantail breed ...
Pagina 356
... exist ? The answer may lie in the important effects of linkage . LINKAGE AND POLYGENIC INHERITANCE In a preceding illustration ( case 5 ) , the genotypes AAB'B ' , A'A'BB , and AA'BB ' all have equally high fitness , since their ...
... exist ? The answer may lie in the important effects of linkage . LINKAGE AND POLYGENIC INHERITANCE In a preceding illustration ( case 5 ) , the genotypes AAB'B ' , A'A'BB , and AA'BB ' all have equally high fitness , since their ...
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