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 49
Pagina 71
... extinction of each species is constant , the more species there are , the more extinctions there will be ; hence the extinction curve rises . Immigration rates are likely to be higher for near ( IN ) than far ( IF ) islands ; extinction ...
... extinction of each species is constant , the more species there are , the more extinctions there will be ; hence the extinction curve rises . Immigration rates are likely to be higher for near ( IN ) than far ( IF ) islands ; extinction ...
Pagina 98
... extinction might otherwise be almost random with respect to species ' overall adaptations ( Gould and Eldredge 1977 ) . Extinction rates could then be virtually constant over long periods of time , as Van Valen ( 1973 ) claims they are ...
... extinction might otherwise be almost random with respect to species ' overall adaptations ( Gould and Eldredge 1977 ) . Extinction rates could then be virtually constant over long periods of time , as Van Valen ( 1973 ) claims they are ...
Pagina 99
... rate of extinction that , given the imprecision of the fossil record , may well appear constant even if it is fluctuating slightly over time . Moreover extinction rates may not be all that constant . Sepkoski ( 1975 ) has suggested that ...
... rate of extinction that , given the imprecision of the fossil record , may well appear constant even if it is fluctuating slightly over time . Moreover extinction rates may not be all that constant . Sepkoski ( 1975 ) has suggested that ...
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