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 42
Pagina 138
... direction , the various species at any one time may evolve in different directions but survive differentially . Thus some species may at any time be evolving smaller body size and others larger ; but if larger species survive longer ...
... direction , the various species at any one time may evolve in different directions but survive differentially . Thus some species may at any time be evolving smaller body size and others larger ; but if larger species survive longer ...
Pagina 139
Douglas J. Futuyma. Although some trends do exist , the absence of consistent direction is as common in evolution as is direction . The Equidae are classical textbook examples of directional change in size , tooth structure , and toe ...
Douglas J. Futuyma. Although some trends do exist , the absence of consistent direction is as common in evolution as is direction . The Equidae are classical textbook examples of directional change in size , tooth structure , and toe ...
Pagina 147
... direction of evolution of each character is not known . Then this phylogeny implies that 0 is the primitive state for most or all of the six characters , since it is typical of C and D ; that the fourth character from left exhibits ...
... direction of evolution of each character is not known . Then this phylogeny implies that 0 is the primitive state for most or all of the six characters , since it is typical of C and D ; that the fourth character from left exhibits ...
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