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 245
... Pleistocene ( Stanley 1979 ) . Species of pup- fish ( Cyprinodon ) have developed in the Death Valley region since the extensive lakes that existed there in the Pleistocene became reduced to isolated springs 20,000-30,000 years ago ...
... Pleistocene ( Stanley 1979 ) . Species of pup- fish ( Cyprinodon ) have developed in the Death Valley region since the extensive lakes that existed there in the Pleistocene became reduced to isolated springs 20,000-30,000 years ago ...
Pagina 342
... Pleistocene epoch about two million years ago ; the last 10,000 years or so are referred to as the Recent or Holocene . Aside from genera that became extinct without issue , the Pleistocene biota consists of forms so similar to Recent ...
... Pleistocene epoch about two million years ago ; the last 10,000 years or so are referred to as the Recent or Holocene . Aside from genera that became extinct without issue , the Pleistocene biota consists of forms so similar to Recent ...
Pagina 391
... Pleistocene , and that not many species became extinct during the Pleistocene anyway . However , the Pleistocene glaciations are not the only important historical event . Not until the late Oligocene did the present pronounced ...
... Pleistocene , and that not many species became extinct during the Pleistocene anyway . However , the Pleistocene glaciations are not the only important historical event . Not until the late Oligocene did the present pronounced ...
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