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 92
Pagina 164
... structure's function , as in wingless insects , chlorophyll - less parasitic plants , or legless snakes . In some instances the loss of a structure is clearly adaptive ; snakes can presumably move and burrow better without legs ...
... structure's function , as in wingless insects , chlorophyll - less parasitic plants , or legless snakes . In some instances the loss of a structure is clearly adaptive ; snakes can presumably move and burrow better without legs ...
Pagina 165
... structure's assumption of a new function may free other structures for different functions . Liem ( 1973 ) espouses this principle to account for the enormous adaptive radiation of the cichlid fishes , which vary greatly in the structure ...
... structure's assumption of a new function may free other structures for different functions . Liem ( 1973 ) espouses this principle to account for the enormous adaptive radiation of the cichlid fishes , which vary greatly in the structure ...
Pagina 286
... structure on the rate of evolution . He argued that the " optimal " population structure the structure that promotes the most rapid , sustained evolution of a species as a whole — is a complex of small populations among which there is ...
... structure on the rate of evolution . He argued that the " optimal " population structure the structure that promotes the most rapid , sustained evolution of a species as a whole — is a complex of small populations among which there is ...
Sommario
A Synopsis of Evolutionary Theory | 19 |
Heredity and Development | 33 |
The Ecological Context of Evolutionary Change | 51 |
Copyright | |
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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