Evolutionary biology |
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Risultati 1-3 di 89
Pagina 10
In the early twentieth century, then, the Darwinian theory of evolutionary change
was at a nadir; it was rejected not only by Mendelian geneticists, but by many
paleontologists, who espoused "orthoge- netic," or directional theories that relied
...
In the early twentieth century, then, the Darwinian theory of evolutionary change
was at a nadir; it was rejected not only by Mendelian geneticists, but by many
paleontologists, who espoused "orthoge- netic," or directional theories that relied
...
Pagina 15
Moreover, theory will often provide several competing explanations for an
observation; empirical study is then required to decide which explanation is most
likely. Observation, finally, has another function besides providing support to our
...
Moreover, theory will often provide several competing explanations for an
observation; empirical study is then required to decide which explanation is most
likely. Observation, finally, has another function besides providing support to our
...
Pagina 440
NEO-DARWINISM AND ITS CRITICS In both the popular and professional
literature (e.g., Ho and Saunders 1984), the neo-Darwinian theory that emerged
from the Modern Synthesis has been variously criticized as incomplete,
inadequate as ...
NEO-DARWINISM AND ITS CRITICS In both the popular and professional
literature (e.g., Ho and Saunders 1984), the neo-Darwinian theory that emerged
from the Modern Synthesis has been variously criticized as incomplete,
inadequate as ...
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Sommario
CONCEPTIONS AND MISCONCEPTIONS | 7 |
EVOLUTION SINCE THE SYNTHESIS | 13 |
ADAPTATION AND ENVIRONMENT | 19 |
Copyright | |
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adaptive adaptive radiation allele frequency allozyme amino acid ancestor average become behavior biological birds bristle number Chapter character chromosome cladistic coefficient coevolution competition correlation Cretaceous deleterious developmental differentiation distribution diversity Drosophila Drosophila melanogaster ecological effect environment environmental enzyme equilibrium evidence evolutionary change evolved example extinction rates factors favor females Figure fitness fossil record function gametes gene conversion gene flow genetic drift genetic variation genome genotypes geographic groups habitats heritability heterozygotes heterozygous higher taxa homozygotes homozygous host human hybrid inbreeding individual insects interactions Lewontin lineage linkage disequilibrium loci locus males mammals mating molecular morphological mutation natural selection neoteny nucleotide occur offspring organisms parasites pattern phenotype phylogenetic phylogeny plants polymorphism population predators prey proteins pseudogenes rate of evolution recombination region related species relative reproductive isolation sequence sexual similar South America speciation structure survival sympatric taxa taxon theory tion trait transposable elements variance