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 276
... males , which in some species may attempt to mate with extraordinarily inappropriate partners . In many species , then , the female chooses a mate from among contending males , although this pattern is reversed in some species such as ...
... males , which in some species may attempt to mate with extraordinarily inappropriate partners . In many species , then , the female chooses a mate from among contending males , although this pattern is reversed in some species such as ...
Pagina 277
... males over others constitutes intersexual selection ; for example , females of an African widowbird ( Euplectes progne ) , a kind of finch in which the males have extremely long tail feathers , mate selectively with longer - tailed males ...
... males over others constitutes intersexual selection ; for example , females of an African widowbird ( Euplectes progne ) , a kind of finch in which the males have extremely long tail feathers , mate selectively with longer - tailed males ...
Pagina 278
... males relative to T , males . If alleles P , and P2 do not affect females ' survival or fecundity , they are selectively neutral . - Because T2 males are both acceptable to P , females and actively preferred by P2 females , T2 increases ...
... males relative to T , males . If alleles P , and P2 do not affect females ' survival or fecundity , they are selectively neutral . - Because T2 males are both acceptable to P , females and actively preferred by P2 females , T2 increases ...
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