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 87
Pagina 31
... vary in how long they persist before they become extinct , and some species undergo speciation more rapidly than others . Hence just as alleles differ in their rates of survival and reproduction , different groups of species vary in ...
... vary in how long they persist before they become extinct , and some species undergo speciation more rapidly than others . Hence just as alleles differ in their rates of survival and reproduction , different groups of species vary in ...
Pagina 201
... vary concordantly , the charac- teristics of the rat snakes appear to have differentiated independently , perhaps in response to different environmental factors . The subspecies of rat snakes do not appear to be incipient species ; they ...
... vary concordantly , the charac- teristics of the rat snakes appear to have differentiated independently , perhaps in response to different environmental factors . The subspecies of rat snakes do not appear to be incipient species ; they ...
Pagina 207
... vary geographically . The form and number of chromosomes often vary among populations . For example , isolated populations of the plant Clarkia unguiculata differ from one another by three to seven chromosome translocations , and ...
... vary geographically . The form and number of chromosomes often vary among populations . For example , isolated populations of the plant Clarkia unguiculata differ from one another by three to seven chromosome translocations , and ...
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 alterations ancestor arise artificial selection average become behavior biological birds bristle number cent Chapter character characteristics chromosome coefficient 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 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