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 77
Pagina 35
... similar environments in different parts of the world sometimes appear convergently similar ( Figure 11 ) —although this is not always true ( Orians and Paine 1983 ) . Moreover , as we have seen , related species in a community sometimes ...
... similar environments in different parts of the world sometimes appear convergently similar ( Figure 11 ) —although this is not always true ( Orians and Paine 1983 ) . Moreover , as we have seen , related species in a community sometimes ...
Pagina 377
... similar in their adaptations . Thus in the temperate zone , a regime of cool wet winters and hot dry summers - a " Mediterranean climate " -fosters the development of a chaparral - like , shrubby , fire - resistant vegetation which is ...
... similar in their adaptations . Thus in the temperate zone , a regime of cool wet winters and hot dry summers - a " Mediterranean climate " -fosters the development of a chaparral - like , shrubby , fire - resistant vegetation which is ...
Pagina 390
... similar in having a long , thin beak that enables them to probe deep into flowers . Different North American deserts have similar associations of seed - eating rodents , with corresponding niches filled by species that are not ...
... similar in having a long , thin beak that enables them to probe deep into flowers . Different North American deserts have similar associations of seed - eating rodents , with corresponding niches filled by species that are not ...
Sommario
CONCEPTIONS AND MISCONCEPTIONS | 7 |
EVOLUTION SINCE THE SYNTHESIS | 13 |
ADAPTATION AND ENVIRONMENT | 19 |
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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