Evolutionary BiologyCovers 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 299
The usefulness of the fossil record Many people suppose that evolutionary
relationships among species can be read directly from the fossil record , but this
is seldom the case . For most groups , especially those that do not fossilize
readily , the ...
The usefulness of the fossil record Many people suppose that evolutionary
relationships among species can be read directly from the fossil record , but this
is seldom the case . For most groups , especially those that do not fossilize
readily , the ...
Pagina 315
Sibley and Ahlquist ( 1983 ) have used this technique to estimate relationships
among many families of birds , and find that these too pass the relative rate test
for constancy of divergence rate . It is interesting that DNA hybridization data do
not ...
Sibley and Ahlquist ( 1983 ) have used this technique to estimate relationships
among many families of birds , and find that these too pass the relative rate test
for constancy of divergence rate . It is interesting that DNA hybridization data do
not ...
Pagina 385
Inferring vicariance from phylogenetic relationships “ Vicariance biogeography "
has recently developed as a major occupation of the cladistic school of
systematics ( Nelson and Platnick 1981 ) . Its central principle is that if the region
occupied ...
Inferring vicariance from phylogenetic relationships “ Vicariance biogeography "
has recently developed as a major occupation of the cladistic school of
systematics ( Nelson and Platnick 1981 ) . Its central principle is that if the region
occupied ...
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Sommario
CONCEPTIONS AND MISCONCEPTIONS | 7 |
ADAPTATION AND ENVIRONMENT | 19 |
THE EVOLUTION | 28 |
Copyright | |
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adaptive advantage allele frequency America animals appear arise average become behavior biological birds caused Chapter characteristics characters chromosomes common competition condition correlated depends determined differentiated direct distribution diversity Drosophila ecological effect environment enzyme equilibrium evidence evolution evolutionary evolved example exist extinction factors families favor females Figure fitness fossil function gene gene flow genetic drift genotypes geographic greater groups growth heterozygotes higher human hybrid important increase individual interactions isolation less linkage loci locus lower major males mammals mating mean mechanisms morphological mutation natural selection observed occur offspring organisms origin pairs pattern phenotype plants Pleistocene polymorphic population possible predators present probability recombination reduced region relative represent reproductive response sequence similar single sometimes speciation species structure taxa term theory tion trait usually variance variation vary