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 347
... extinctions per unit time must increase as the number of species already present rises . If rates of extinction ( E ) increase more rapidly with species number than do origination rates ( 0 ) , an equilibrium number of species ( S ) ...
... extinctions per unit time must increase as the number of species already present rises . If rates of extinction ( E ) increase more rapidly with species number than do origination rates ( 0 ) , an equilibrium number of species ( S ) ...
Pagina 364
... extinctions . For one thing , there is some debate about whether they are qualitatively different from " normal " extinction rates , or are simply quantitatively extreme cases in a continuum of extinction rates ( Quinn 1983 ) . If the ...
... extinctions . For one thing , there is some debate about whether they are qualitatively different from " normal " extinction rates , or are simply quantitatively extreme cases in a continuum of extinction rates ( Quinn 1983 ) . If the ...
Pagina 365
... extinctions . Moreover , if the end - Creta- ceous mass extinction was as rapid as many paleontologists believe it to have been , it is unlikely to have been caused by a regression . As of this writing , it appears that a majority of ...
... extinctions . Moreover , if the end - Creta- ceous mass extinction was as rapid as many paleontologists believe it to have been , it is unlikely to have been caused by a regression . As of this writing , it appears that a majority of ...
Sommario
CONCEPTIONS AND MISCONCEPTIONS | 7 |
EVOLUTION SINCE THE SYNTHESIS | 13 |
ADAPTATION AND ENVIRONMENT | 19 |
Copyright | |
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adaptive adaptive radiation allele frequency allozyme Amer amino acid ancestor animals average behavior Biol biological birds bristle cells Chapter characters chromosome coefficient coevolution common competition copies correlation developmental differentiation distribution divergence Dobzhansky Drosophila melanogaster ecological effect environment environmental enzyme equilibrium evidence evolution evolutionary change evolved example extinction factors females Figure fitness fossil record function Futuyma gametes gene conversion gene family gene flow gene frequencies genetic drift genetic variation genome genotypes geographic heritability heterozygotes heterozygous homologous homozygotes homozygous host human hybrid inbreeding increase individual insects interactions Lewontin linkage disequilibrium loci locus males mammals mating mechanisms molecular morphological mutation natural selection neoteny nucleotide occur offspring organisms paedomorphosis pairs parasites pattern phenotypic phylogenetic phylogeny plants polymorphism predators prey proteins pseudogenes random recombination segments sexual similar speciation structure sympatric Syst theory tion traits transposable elements University Press variable variance vertebrates York