Evolutionary BiologySinauer Associates, 1986 - 600 pagine Covers the genetic, developmental, and ecological mechanisms of evolutionary change, the major features of evolutionary history as revealed by phylogenetic and paleontological studies, and material on adaptation, molecular evolution, co-evolution, and human evolution. |
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Pagina 246
... speciation and the rate of extinction ; competition may prevent many newly generated species from per- sisting . Nevertheless , in very species - rich groups , speciation does appear to pro- ceed rapidly . In many such groups ( e.g. ...
... speciation and the rate of extinction ; competition may prevent many newly generated species from per- sisting . Nevertheless , in very species - rich groups , speciation does appear to pro- ceed rapidly . In many such groups ( e.g. ...
Pagina 248
... Speciation in plants often differs from speciation in animals ; speciation by polyploidy is much more common , and the incompatibility of related plant species commonly has a chromosomal rather than a genic basis . Discuss why these ...
... Speciation in plants often differs from speciation in animals ; speciation by polyploidy is much more common , and the incompatibility of related plant species commonly has a chromosomal rather than a genic basis . Discuss why these ...
Pagina 402
... speciation ( Chapter 8 ) , and proposed that most evolutionary change transpires rapidly in small , localized populations in concert with the acquisition of reproductive iso- lation ( i.e. , true speciation ) —an idea that Mayr himself ...
... speciation ( Chapter 8 ) , and proposed that most evolutionary change transpires rapidly in small , localized populations in concert with the acquisition of reproductive iso- lation ( i.e. , true speciation ) —an idea that Mayr himself ...
Sommario
CONCEPTIONS AND MISCONCEPTIONS | 7 |
EVOLUTION SINCE THE SYNTHESIS | 13 |
ADAPTATION AND ENVIRONMENT | 19 |
Copyright | |
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adaptive advantage allele allele frequency animals appear arise associated average become behavior biological cause cells Chapter characteristics characters chromosome common competition condition conversion copies correlation depends determined developmental differentiation distribution divergence Drosophila ecological effect elements environment enzyme equilibrium evidence evolution evolutionary evolved example exist expression extinction factors Figure fitness fossil frequency function gene genetic genetic drift genome genotypes geographic greater groups growth higher host human hybrid important increase individual insects interactions isolation less linkage loci locus lower major males mating mean mechanisms morphological mutation natural selection occur organisms origin pairs pattern phenotypic plants Pleistocene polymorphism population possible predators Press probability proteins reduced region relationships relative represent reproductive response sequence similar single speciation species structure taxa term theory tion traits variance variation vary