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 78
Pagina 40
... become excluded locally by late - successional species , and persist only as other patches of favorable habitat become open elsewhere . As long as suitable habitats become available at a fairly constant rate , however , such populations ...
... become excluded locally by late - successional species , and persist only as other patches of favorable habitat become open elsewhere . As long as suitable habitats become available at a fairly constant rate , however , such populations ...
Pagina 318
... become buried in sediments . These sediments must become compacted into rock and persist without metamorphosis or erosion for millions of years if we are to discover their contents , and they must become exposed in localities accessible ...
... become buried in sediments . These sediments must become compacted into rock and persist without metamorphosis or erosion for millions of years if we are to discover their contents , and they must become exposed in localities accessible ...
Pagina 404
... become fixed only for alleles that are uniformly advantageous throughout its range and are spread by gene flow . But such " generally adaptive " ( Brown 1959 ) traits probably seldom arise ; they are likely to be uniformly advantageous ...
... become fixed only for alleles that are uniformly advantageous throughout its range and are spread by gene flow . But such " generally adaptive " ( Brown 1959 ) traits probably seldom arise ; they are likely to be uniformly advantageous ...
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adaptive adaptive radiation allele frequency allozyme Amer amino acid ancestor animals average behavior biological birds bristle number caused cells Chapter characters chromosome cladistic coefficient coevolution competition copies correlated deleterious developmental differentiation distribution divergence Dobzhansky Drosophila melanogaster ecological effect environment environmental enzyme equilibrium evidence evolutionary change evolved example extinction rate factors favor females Figure fitness fossil record function Futuyma gametes gene conversion gene flow gene frequencies genetic drift genetic variation genome genotypes geographic groups habitats heritability heterozygotes heterozygous higher taxa homozygotes homozygous host human hybrid inbreeding increase individual insects interactions Lewontin linkage disequilibrium loci locus males mammals mating mechanisms molecular morphological mutation natural selection nucleotide occur offspring organisms pairs parasites pattern phenotype phylogenetic phylogeny plants polymorphism predators prey proteins pseudogenes random recombination relative reproductive isolation sequence sexual similar speciation structure survival sympatric taxon theory tion trait transposable elements variable variance