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 vestigialization of a feature
...
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 vestigialization of a feature
...
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Sommario
CONCEPTIONS AND MISCONCEPTIONS | 7 |
Chapter | 18 |
THE EFFECT OF DENSITY | 24 |
Copyright | |
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adaptive advantage allele frequency animals appear arise average become birds caused cells Chapter characteristics characters chromosomes common competition condition copies correlated crossing depends determined developmental differentiation direct distribution diversity Drosophila ecological effect elements environment enzyme equilibrium evidence evolution evolutionary evolved example exist extinction factors favor females Figure fitness fossil function gene gene flow genetic drift genotypes greater groups heterozygotes higher host human hybrid important increase individual insects interactions isolation less linkage loci locus lower major males mammals mating mean mechanisms morphological mutation natural selection occur organisms origin pairs pattern phenotype plants Pleistocene polymorphic population possible predators present probability produced recombination reduced region relative represent reproductive response sequence similar single sometimes speciation species structure taxa term theory tion trait 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 |