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
... diversity over time , according to the equilibrium model . unit time ; the rate of extinction E is determined by the probability of extinction during the period dt . Thus the average rate of change in diversity is dN / dt = ON – EN = N ...
... diversity over time , according to the equilibrium model . unit time ; the rate of extinction E is determined by the probability of extinction during the period dt . Thus the average rate of change in diversity is dN / dt = ON – EN = N ...
Pagina 351
... diversity is a consequence of the addition of organ- isms with new ways of life rather than an increase of diversity within guilds . Individual higher taxa vary greatly in their patterns of change ( Sepkoski 1981 ; Figure 4 ) . Among ...
... diversity is a consequence of the addition of organ- isms with new ways of life rather than an increase of diversity within guilds . Individual higher taxa vary greatly in their patterns of change ( Sepkoski 1981 ; Figure 4 ) . Among ...
Pagina 391
... DIVERSITY The complex interplay of historical and ecological factors comes into full focus in attempting to account for differences in the diversity of species in different parts of the world . We may take latitudinal gradients in ...
... DIVERSITY The complex interplay of historical and ecological factors comes into full focus in attempting to account for differences in the diversity of species in different parts of the world . We may take latitudinal gradients in ...
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adaptive adaptive radiation allele frequency allozyme Amer amino acid ancestor animals average behavior biological birds bristle number caused cells Chapter characters chromosome cladistic coefficient coevolution competition copies correlated deleterious developmental differentiation distribution divergence Dobzhansky Drosophila melanogaster ecological effect environment environmental enzyme equilibrium evidence evolutionary change evolved example extinction rate factors favor females Figure fitness fossil record function Futuyma gametes gene conversion gene flow gene frequencies genetic drift genetic variation genome genotypes geographic groups habitats heritability heterozygotes heterozygous higher taxa homozygotes homozygous host human hybrid inbreeding increase individual insects interactions Lewontin linkage disequilibrium loci locus males mammals mating mechanisms molecular morphological mutation natural selection nucleotide occur offspring organisms pairs parasites pattern phenotype phylogenetic phylogeny plants polymorphism predators prey proteins pseudogenes random recombination relative reproductive isolation sequence sexual similar speciation structure survival sympatric taxon theory tion trait transposable elements variable variance