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. |
Dall'interno del libro
Risultati 1-3 di 59
Pagina 10
... arise in one or a few steps as discrete mutations . If species can arise purely by mutation , their origin does not require natural selection . Thus Darwin's key principles of natural selection and gradual change were dismissed . ( A ...
... arise in one or a few steps as discrete mutations . If species can arise purely by mutation , their origin does not require natural selection . Thus Darwin's key principles of natural selection and gradual change were dismissed . ( A ...
Pagina 223
... arise in many ways , and speciation can accordingly be classified into different modes . Two such classifications ( Table I ) emphasize , respectively , the geographic scale on which speciation may occur , and the genetic events ...
... arise in many ways , and speciation can accordingly be classified into different modes . Two such classifications ( Table I ) emphasize , respectively , the geographic scale on which speciation may occur , and the genetic events ...
Pagina 437
... arise , but does not predict which variations will arise and which will not . The study of develop- mental constraints focuses on this critical issue . Some developmental constraints may arise from physical or chemical prin- ciples that ...
... arise , but does not predict which variations will arise and which will not . The study of develop- mental constraints focuses on this critical issue . Some developmental constraints may arise from physical or chemical prin- ciples that ...
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