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 82
Pagina 140
... become smaller in size . Adaptive radiation , rather than consistent unidirectional change , is the norm for every group . Even such a small group as the Falconiformes , for example , includes not only falcons adapted for rapidly ...
... become smaller in size . Adaptive radiation , rather than consistent unidirectional change , is the norm for every group . Even such a small group as the Falconiformes , for example , includes not only falcons adapted for rapidly ...
Pagina 274
... become equally likely , a fraction 1 / 2N of the polymorphic subpopulations become monomorphic per generation , so that the proportion of each monomorphic class ( p 0 or 1 ) increases by 1 / 4N per generation . For example ( Crow and ...
... become equally likely , a fraction 1 / 2N of the polymorphic subpopulations become monomorphic per generation , so that the proportion of each monomorphic class ( p 0 or 1 ) increases by 1 / 4N per generation . For example ( Crow and ...
Pagina 386
... become locally extinct by their failure to do so ( Kettlewell 1973 ) . Many plants have not become adapted to toxic soils , either to mine tailings or to their natural analogues such as serpentine - based soils , on which few species of ...
... become locally extinct by their failure to do so ( Kettlewell 1973 ) . Many plants have not become adapted to toxic soils , either to mine tailings or to their natural analogues such as serpentine - based soils , on which few species of ...
Sommario
A Synopsis of Evolutionary Theory | 19 |
Heredity and Development | 33 |
The Ecological Context of Evolutionary Change | 51 |
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AA AA AA adaptive adaptive radiation advantageous alleles ancestor arise artificial selection average become behavior biological birds bristle number cent Chapter character characteristics chromosome coefficient complex correlated deleterious depends developmental differentiation distribution diversity Dobzhansky dominant Drosophila ecological effect environment environmental enzyme epistasis epistatic equilibrium evidence evolutionary change evolved example extinction factors females Figure fitness flies fossil record function gametes gene flow gene frequency genetic change genetic drift genetic variation genome genotypes geographic habitats heterozygotes heterozygous homozygotes homozygous host human hybrid inbreeding increase individuals insects interactions less Lewontin linkage disequilibrium loci locus major males mammals mating Mayr mechanisms morphological mutation rates natural selection niche number of species occur offspring organisms overdominance patterns phenotypic phylogenetic plants pollen polymorphic population predators probability protein random rate of evolution recombination reproductive isolation response sexual similar single speciation structure survival sympatric theory tion traits variance vary