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 85
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 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 ...
Pagina 224
Douglas J. Futuyma. SUMMARY Many or most of a species ' characteristics vary from one population to another ; even the characteristics that define species vary geographically , so that species are often hard to delimit . A ...
Douglas J. Futuyma. SUMMARY Many or most of a species ' characteristics vary from one population to another ; even the characteristics that define species vary geographically , so that species are often hard to delimit . A ...
Sommario
A Synopsis of Evolutionary Theory | 19 |
Heredity and Development | 33 |
The Ecological Context of Evolutionary Change | 51 |
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AA AA adaptive advantageous alleles alterations ancestor animals appear arise associated average become behavior biological birds body bristle cause cent Chapter character characteristics chromosome common complex consists depends derived determined developmental differentiation direction Discuss distribution diversity dominant drift Drosophila ecological effect environment environmental enzyme equilibrium evidence evolution evolutionary evolved example exist extinction factors Figure fitness fossil function gene flow gene frequency genetic genetic variation genotypes geographic greater growth heterozygotes higher highly human hybrid important increase individuals insects instances interactions isolated kinds less loci locus major males mating mean mechanisms mutation natural selection occur offspring organisms origin patterns phenotypic plants Pleistocene polymorphic population possible predators present probability produce recombination relative reproduction response sexual similar single speciation species structure theory tion variance vary