Evolutionary BiologyFutuyma (ecology and evolution, SUNY Stony Brook) covers such subject areas as phylogeny, paleobiology, genetic mechanisms of change and speciation, character evolution, the theory of processes and macroevolution, and new molecular perspectives. Numerous line drawings, charts, diagrams, and maps are provided. Annotation copyrighted by Book News, Inc., Portland, OR |
Dall'interno del libro
Risultati 1-3 di 77
Pagina 293
Suppose there are two asexual genotypes A and B in a population , with replacement rates R1 and RÅ ( Figure 1 ) . They number N , and Ng respectively ; NA + NB = N , the total population size . The proportions of A and B are NA / N = p ...
Suppose there are two asexual genotypes A and B in a population , with replacement rates R1 and RÅ ( Figure 1 ) . They number N , and Ng respectively ; NA + NB = N , the total population size . The proportions of A and B are NA / N = p ...
Pagina 300
the carrying capacity and hence population density because genotypes that are best able to resist the limiting factor , say by finding food more efficiently , are most fit . This is true in simple models ( Anderson 1971 ) ; but if the ...
the carrying capacity and hence population density because genotypes that are best able to resist the limiting factor , say by finding food more efficiently , are most fit . This is true in simple models ( Anderson 1971 ) ; but if the ...
Pagina 459
parthenogenetic genotypes are adapted to feed on different species of trees ( Mitter et al . 1979 ) . Because the frequencies of extreme genotypes in sexual species are set more by recombination than by the level of their special ...
parthenogenetic genotypes are adapted to feed on different species of trees ( Mitter et al . 1979 ) . Because the frequencies of extreme genotypes in sexual species are set more by recombination than by the level of their special ...
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Sommario
A Synopsis of Evolutionary Theory | 19 |
Heredity and Development | 33 |
The Ecological Context of Evolutionary Change | 51 |
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AA AA adaptive advantageous alleles alterations ancestor animals appear arise associated average become behavior biological birds body bristle cause cent Chapter character characteristics chromosome common complex consists depends derived determined developmental differentiation direction Discuss distribution diversity dominant drift Drosophila ecological effect environment environmental enzyme equilibrium evidence evolution evolutionary evolved example exist extinction factors Figure fitness fossil function gene flow gene frequency genetic genetic variation genotypes geographic greater growth heterozygotes higher highly human hybrid important increase individuals insects instances interactions isolated kinds less loci locus major males mating mean mechanisms mutation natural selection occur offspring organisms origin patterns phenotypic plants Pleistocene polymorphic population possible predators present probability produce recombination relative reproduction response sexual similar single speciation species structure theory tion variance vary