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 32
... adaptive radiation Beginning with Darwin , biologists have invoked competition as an important force affecting the diversification of species . On the one hand , competitors may prevent a species from evolving to use a particular ...
... adaptive radiation Beginning with Darwin , biologists have invoked competition as an important force affecting the diversification of species . On the one hand , competitors may prevent a species from evolving to use a particular ...
Pagina 231
... adaptive landscape of the kind described by Sewall Wright ( Figure 13 in Chapter 6 ) . The genetic theories of how populations come to occupy different , incompatible adaptive peaks are of two major kinds ( Figure 6 ) . One class of ...
... adaptive landscape of the kind described by Sewall Wright ( Figure 13 in Chapter 6 ) . The genetic theories of how populations come to occupy different , incompatible adaptive peaks are of two major kinds ( Figure 6 ) . One class of ...
Pagina 255
... adaptive peak unless it is quite strong . If , for example , we seek to explain the evolutionary loss or vesti- gialization of a feature , we must entertain both selectionist and non - selectionist hypotheses . Useless features such as ...
... adaptive peak unless it is quite strong . If , for example , we seek to explain the evolutionary loss or vesti- gialization of a feature , we must entertain both selectionist and non - selectionist hypotheses . Useless features such as ...
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