Evolutionary BiologySinauer Associates, 1986 - 600 pagine Covers the genetic, developmental, and ecological mechanisms of evolutionary change, the major features of evolutionary history as revealed by phylogenetic and paleontological studies, and material on adaptation, molecular evolution, co-evolution, and human evolution. |
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Pagina 132
... lower the effective population size is an unbalanced sex ratio . If , for example , males guard harems of females against other males , the few males that reproduce contribute disproportionately to subsequent generations , so the rate ...
... lower the effective population size is an unbalanced sex ratio . If , for example , males guard harems of females against other males , the few males that reproduce contribute disproportionately to subsequent generations , so the rate ...
Pagina 265
... lower , both because the rabbits evolved resistance and because the virus had evolved lower virulence ( Fenner 1965 , May and Anderson 1983 ) . Because the virus is spread by mosquitoes that feed only on living rabbits , the chance of ...
... lower , both because the rabbits evolved resistance and because the virus had evolved lower virulence ( Fenner 1965 , May and Anderson 1983 ) . Because the virus is spread by mosquitoes that feed only on living rabbits , the chance of ...
Pagina 347
... lower if extinction rates are greater ( Ŝ , < Ŝ2 ) or if origination rates are lower ( Ŝ3 < Ŝ1 ) . ( B ) The change in species diversity over time , according to the equilibrium model . unit time ; the rate of extinction E is determined ...
... lower if extinction rates are greater ( Ŝ , < Ŝ2 ) or if origination rates are lower ( Ŝ3 < Ŝ1 ) . ( B ) The change in species diversity over time , according to the equilibrium model . unit time ; the rate of extinction E is determined ...
Sommario
CONCEPTIONS AND MISCONCEPTIONS | 7 |
EVOLUTION SINCE THE SYNTHESIS | 13 |
ADAPTATION AND ENVIRONMENT | 19 |
Copyright | |
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adaptive advantage allele allele frequency animals appear arise associated average become behavior biological cause cells Chapter characteristics characters chromosome common competition condition conversion copies correlation depends determined developmental differentiation distribution divergence Drosophila ecological effect elements environment enzyme equilibrium evidence evolution evolutionary evolved example exist expression extinction factors Figure fitness fossil frequency function gene genetic genetic drift genome genotypes geographic greater groups growth higher host human hybrid important increase individual insects interactions isolation less linkage loci locus lower major males mating mean mechanisms morphological mutation natural selection occur organisms origin pairs pattern phenotypic plants Pleistocene polymorphism population possible predators Press probability proteins reduced region relationships relative represent reproductive response sequence similar single speciation species structure taxa term theory tion traits variance variation vary