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 378
FIGURE 4 The South American sideneck turtle Podocnemis expansa . A similar
species , in the same genus , occurs on the ... The genus Podocnemis ( Figure 4 )
in this family occurs in both South America and Madagascar ! AMPHITROPICAL ...
FIGURE 4 The South American sideneck turtle Podocnemis expansa . A similar
species , in the same genus , occurs on the ... The genus Podocnemis ( Figure 4 )
in this family occurs in both South America and Madagascar ! AMPHITROPICAL ...
Pagina 382
The pipid frogs of South America and Africa are known from the Cretaceous of
both continents . Marsupials surely originated on Gondwanaland and became
isolated in South America and Australia ; early Tertiary marsupial fossils have
been ...
The pipid frogs of South America and Africa are known from the Cretaceous of
both continents . Marsupials surely originated on Gondwanaland and became
isolated in South America and Australia ; early Tertiary marsupial fossils have
been ...
Pagina 385
Only one of the caviomorph rodents , the porcupine Erethizon dorsatum , occurs
in North America ; it is in a different genus from the South American porcupines ,
but it nevertheless clearly has a South American ancestry . On each American ...
Only one of the caviomorph rodents , the porcupine Erethizon dorsatum , occurs
in North America ; it is in a different genus from the South American porcupines ,
but it nevertheless clearly has a South American ancestry . On each American ...
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Sommario
CONCEPTIONS AND MISCONCEPTIONS | 7 |
Chapter | 18 |
THE EFFECT OF DENSITY | 24 |
Copyright | |
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adaptive advantage allele frequency America animals appear arise average become behavior birds caused cells Chapter characteristics characters chromosomes common condition copies correlated crossing depends determined developmental differentiation direct distribution diversity Drosophila ecological effect environment enzyme equilibrium evidence evolution evolutionary evolved example exist extinction factors 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 occur offspring organisms origin pairs pattern phenotype plants Pleistocene polymorphic population possible present probability recombination reduced region relative represent reproductive response separated sequence similar single sometimes speciation species structure taxa term theory tion trait usually variance variation vary