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 80
Pagina 147
... character is not known . Then this phylogeny implies that 0 is the primitive state for most or all of the six characters , since it is typical of C and D ; that the fourth character from left exhibits homoplasy ; and that characters ...
... character is not known . Then this phylogeny implies that 0 is the primitive state for most or all of the six characters , since it is typical of C and D ; that the fourth character from left exhibits homoplasy ; and that characters ...
Pagina 151
... characters are independent is difficult in practice . Is each bristle on a fly a separate character , or are all the bristles together a single character ? And unit characters may be hard to define even conceptually . Developmental ...
... characters are independent is difficult in practice . Is each bristle on a fly a separate character , or are all the bristles together a single character ? And unit characters may be hard to define even conceptually . Developmental ...
Pagina 152
... characters are used , the greater the probability of getting the right phylogeny ; so it is best to give little weight a priori to those most likely to be homoplasious . Biological judgment may help . Character states thought to be ...
... characters are used , the greater the probability of getting the right phylogeny ; so it is best to give little weight a priori to those most likely to be homoplasious . Biological judgment may help . Character states thought to be ...
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