Evolutionary BiologyOxford University Press, Incorporated, 1979 - 565 pagine Futuyma (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 78
Pagina 58
... increase . Clearly a population's potential rate of increase may be very dif- ferent from its actual rate of increase . The death rate & may actually be great enough to equal the birth rate b , so that r = 0. Thus the ACTUAL RATE OF ...
... increase . Clearly a population's potential rate of increase may be very dif- ferent from its actual rate of increase . The death rate & may actually be great enough to equal the birth rate b , so that r = 0. Thus the ACTUAL RATE OF ...
Pagina 299
... increase when crowding is least . Because such populations are relatively stable ( r , the instantaneous rate of increase , is zero ) , a genotype with the capacity for rapid increase under uncrowded conditions ( rm large ) can be ...
... increase when crowding is least . Because such populations are relatively stable ( r , the instantaneous rate of increase , is zero ) , a genotype with the capacity for rapid increase under uncrowded conditions ( rm large ) can be ...
Pagina 483
... increased mutation rates , is real , although such an increase has not been documented . But even a substantial increase in the rate of mutation would have almost unnoticeable effects because natural mutation rates are so low ( Chapter ...
... increased mutation rates , is real , although such an increase has not been documented . But even a substantial increase in the rate of mutation would have almost unnoticeable effects because natural mutation rates are so low ( Chapter ...
Sommario
A Synopsis of Evolutionary Theory | 19 |
Heredity and Development | 33 |
The Ecological Context of Evolutionary Change | 51 |
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AA AA AA adaptive adaptive radiation advantageous alleles ancestor arise artificial selection average become behavior biological birds bristle number cent Chapter character characteristics chromosome coefficient complex correlated deleterious depends developmental differentiation distribution diversity Dobzhansky dominant Drosophila ecological effect environment environmental enzyme epistasis epistatic equilibrium evidence evolutionary change evolved example extinction factors females Figure fitness flies fossil record function gametes gene flow gene frequency genetic change genetic drift genetic variation genome genotypes geographic habitats heterozygotes heterozygous homozygotes homozygous host human hybrid inbreeding increase individuals insects interactions less Lewontin linkage disequilibrium loci locus major males mammals mating Mayr mechanisms morphological mutation rates natural selection niche number of species occur offspring organisms overdominance patterns phenotypic phylogenetic plants pollen polymorphic population predators probability protein random rate of evolution recombination reproductive isolation response sexual similar single speciation structure survival sympatric theory tion traits variance vary