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 13
Pagina 177
... segments in millipedes , or ovules in such plants as lilies . A reduction in number is even more common ; reduction in the number of vertebrae , aortic arches , digits , and teeth is one of the most common themes in the comparative ...
... segments in millipedes , or ovules in such plants as lilies . A reduction in number is even more common ; reduction in the number of vertebrae , aortic arches , digits , and teeth is one of the most common themes in the comparative ...
Pagina 203
... segments ; and factor III , a " capitulum factor " that measured the mouthparts and some of the leg segments . Each factor varies geographically , not discretely from one large region to another , but gradually . Mean body size , for ...
... segments ; and factor III , a " capitulum factor " that measured the mouthparts and some of the leg segments . Each factor varies geographically , not discretely from one large region to another , but gradually . Mean body size , for ...
Pagina 300
... segments of chromosomes ( or longer segments held intact by inversions ) are so seldom frag- mented by crossing over that they can be meaningful selectable entities , meaningful units of selection . But the single gene itself , because ...
... segments of chromosomes ( or longer segments held intact by inversions ) are so seldom frag- mented by crossing over that they can be meaningful selectable entities , meaningful units of selection . But the single gene itself , because ...
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