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 93
Pagina 71
... number of species S on the island increases as new species immigrate and decreases as species already present become extinct . When the rates of immigration ( I ) and extinction ( E ) are equal ( where the curves cross ) , the number of ...
... number of species S on the island increases as new species immigrate and decreases as species already present become extinct . When the rates of immigration ( I ) and extinction ( E ) are equal ( where the curves cross ) , the number of ...
Pagina 87
... Number of species ( or genera ) S 0 ŜŜ Number of species ( or genera ) S2 ( A ) Both the number of new species ( or genera , or higher taxa ) originating per unit time and the number of extinctions per unit time must increase as the ...
... Number of species ( or genera ) S 0 ŜŜ Number of species ( or genera ) S2 ( A ) Both the number of new species ( or genera , or higher taxa ) originating per unit time and the number of extinctions per unit time must increase as the ...
Pagina 117
Douglas J. Futuyma. Number of species species . The eastern and western diamondback rattlesnakes ( Crotalus adamanteus and C. atrox ) , for example , may have developed in this way from their common ancestor ( Figure 5 ) . This ...
Douglas J. Futuyma. Number of species species . The eastern and western diamondback rattlesnakes ( Crotalus adamanteus and C. atrox ) , for example , may have developed in this way from their common ancestor ( Figure 5 ) . This ...
Sommario
A Synopsis of Evolutionary Theory | 19 |
Heredity and Development | 33 |
The Ecological Context of Evolutionary Change | 51 |
Copyright | |
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AA AA AA adaptive adaptive radiation advantageous alleles alterations ancestor arise artificial selection average become behavior biological birds bristle number cent Chapter character characteristics chromosome coefficient 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 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