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 79
Pagina 197
... GEOGRAPHIC VARIATION Hybridization between parapatric populations is one form of geographic variation that provides clues to the mechanisms by which new offi 8 500 9 CO ~ Om - llm . 016 Sample areas 1 bou 10 Och 5 ih olha Odan hinu 13 ...
... GEOGRAPHIC VARIATION Hybridization between parapatric populations is one form of geographic variation that provides clues to the mechanisms by which new offi 8 500 9 CO ~ Om - llm . 016 Sample areas 1 bou 10 Och 5 ih olha Odan hinu 13 ...
Pagina 198
... geographic variation point to the impossibility of drawing clear - cut lines between species or , especially , between subspecies or races . These infraspecific categories are simply constructs of our imagination , erected for the sake ...
... geographic variation point to the impossibility of drawing clear - cut lines between species or , especially , between subspecies or races . These infraspecific categories are simply constructs of our imagination , erected for the sake ...
Pagina 199
... geographic population , or set of populations , of a species . A species that is divided into subspecies ( geographic races ) is often called a POLYTYPIC species , or a Rassenkreis . In instances like the drongos the difference between ...
... geographic population , or set of populations , of a species . A species that is divided into subspecies ( geographic races ) is often called a POLYTYPIC species , or a Rassenkreis . In instances like the drongos the difference between ...
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