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 |
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Pagina 169
... body ( Figure 4 ) ; if it kept pace with the body , we would be megace- phalic monsters as adults . Many allometric relations are adaptive . Organs like the intestine , whose function is surface - dependent , often grow ...
... body ( Figure 4 ) ; if it kept pace with the body , we would be megace- phalic monsters as adults . Many allometric relations are adaptive . Organs like the intestine , whose function is surface - dependent , often grow ...
Pagina 170
... body length x . Thus the ratio of the organ's surface area to the volume of body it serves is constant only if y = bx3 / 2 Evolutionary changes in adult body size can occur for many adap- tive reasons . A specific body size may be ...
... body length x . Thus the ratio of the organ's surface area to the volume of body it serves is constant only if y = bx3 / 2 Evolutionary changes in adult body size can occur for many adap- tive reasons . A specific body size may be ...
Pagina 370
... body size in Drosophila , the variance did not change in either S or D lines . Moreover mean body size declined in the S lines and increased in the D lines . Thus the responses of populations to artificial selection may be surprising ...
... body size in Drosophila , the variance did not change in either S or D lines . Moreover mean body size declined in the S lines and increased in the D lines . Thus the responses of populations to artificial selection may be surprising ...
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