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 88
Pagina 71
... extinction of each species is constant , the more species there are , the more extinctions there will be ; hence the extinction curve rises . Immigration rates are likely to be higher for near ( IN ) than far ( IF ) islands ; extinction ...
... extinction of each species is constant , the more species there are , the more extinctions there will be ; hence the extinction curve rises . Immigration rates are likely to be higher for near ( IN ) than far ( IF ) islands ; extinction ...
Pagina 95
... EXTINCTION Those who feel deprived of the opportunity to see a living dodo or who bewail the imminent extinction of the whooping crane are likely to forget that extinction has been the fate of the vast majority of all the species that ...
... EXTINCTION Those who feel deprived of the opportunity to see a living dodo or who bewail the imminent extinction of the whooping crane are likely to forget that extinction has been the fate of the vast majority of all the species that ...
Pagina 104
... Extinction rates may be fairly constant for each taxonomic group , although there have been several episodes of mass extinction . In general , there is little evidence of overall improvement in adaptation during the history of life ...
... Extinction rates may be fairly constant for each taxonomic group , although there have been several episodes of mass extinction . In general , there is little evidence of overall improvement in adaptation during the history of life ...
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