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 |
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Pagina 64
... Competing species can coexist if the intensity of intraspecific com- petition is greater than the intensity of interspecific competition . As Darwin put it , " The struggle will almost invariably be most severe between the individuals ...
... Competing species can coexist if the intensity of intraspecific com- petition is greater than the intensity of interspecific competition . As Darwin put it , " The struggle will almost invariably be most severe between the individuals ...
Pagina 73
... competition to a specialist , if they are competing for the resource on which the specialist specializes . Why is it , then , that a com- munity contains both generalized and specialized species ? How can they coexist ? 11 Although a ...
... competition to a specialist , if they are competing for the resource on which the specialist specializes . Why is it , then , that a com- munity contains both generalized and specialized species ? How can they coexist ? 11 Although a ...
Pagina 92
... competition by carnivores such as the Mustelidae ( weasels , etc. ) caused the extinction of the Miacidae from which they arose . Competition is often a plausible explanation for the replacement of B A 9 Ecological replacements in time ...
... competition by carnivores such as the Mustelidae ( weasels , etc. ) caused the extinction of the Miacidae from which they arose . Competition is often a plausible explanation for the replacement of B A 9 Ecological replacements in time ...
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