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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Risultati 1-3 di 89
Pagina 60
... term gene should also embrace nontranslated regulatory regions and nontranscribed sequences . " Mutation " is similarly a vague term . It is often defined as a change in the base pair sequence of a gene , but sometimes the term is ...
... term gene should also embrace nontranslated regulatory regions and nontranscribed sequences . " Mutation " is similarly a vague term . It is often defined as a change in the base pair sequence of a gene , but sometimes the term is ...
Pagina 371
... term trend toward a greater prevalence of nonplanktotrophic species in several groups . SUMMARY After each of the several mass extinctions in the history of life , diversity has rapidly increased , and has reached successively higher ...
... term trend toward a greater prevalence of nonplanktotrophic species in several groups . SUMMARY After each of the several mass extinctions in the history of life , diversity has rapidly increased , and has reached successively higher ...
Pagina 402
... term trends in morphology are the consequence not of anagenetic change within single lineages , but of selection among species . Character states associated with low rates of extinction or high rates of speciation will become prevalent ...
... term trends in morphology are the consequence not of anagenetic change within single lineages , but of selection among species . Character states associated with low rates of extinction or high rates of speciation will become prevalent ...
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