Evolutionary BiologyCovers 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
Competition and 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 ...
Competition and 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 ...
Pagina 231
One can visualize species , then , as occupying different peaks on an 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 ...
One can visualize species , then , as occupying different peaks on an 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 ...
Pagina 255
In populations that consistently or frequently are small in size , selection cannot maintain allele frequencies at an adaptive peak unless it is quite strong . If , for example , we seek to explain the evolutionary loss or ...
In populations that consistently or frequently are small in size , selection cannot maintain allele frequencies at an adaptive peak unless it is quite strong . If , for example , we seek to explain the evolutionary loss or ...
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Sommario
CONCEPTIONS AND MISCONCEPTIONS | 7 |
Chapter | 18 |
THE EFFECT OF DENSITY | 24 |
Copyright | |
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adaptive advantage allele allele frequency America appear arise average become behavior biological birds cause Chapter characteristics characters chromosome common competition complex copies correlation depends described determined developmental differentiation direct distribution divergence Drosophila ecological effect elements environment enzyme equilibrium evidence evolution evolutionary evolved example exist extinction factors Figure fitness fossil frequency function gene genetic genetic drift genotypes geographic greater groups growth higher host human hybrid important increase individual insects interactions isolation less lineage loci locus lower major mating mean mechanisms morphological mutation natural selection observed occur organisms origin pairs pattern phenotype plants Pleistocene population possible predators prey probability reduced region relationships relative represent reproductive response separated sequence similar single speciation species structure taxa term theory tion trait usually variance variation vary
Informazioni bibliografiche
| Titolo | Evolutionary Biology |
| Autore | Douglas J. Futuyma |
| Edizione | 2, illustrata |
| Editore | Sinauer Associates, 1986 |
| Provenienza dell'originale | la University of Michigan |
| Digitalizzato | 27 gen 2010 |
| ISBN | 0878931880, 9780878931880 |
| Lunghezza | 600 pagine |
| Esporta citazione | BiBTeX EndNote RefMan |