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 81
Pagina 147
... character is not known . Then this phylogeny implies that O 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 O 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 |
Copyright | |
19 sezioni non visualizzate
Altre edizioni - Visualizza tutto
Parole e frasi comuni
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