Evolutionary biology |
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Pagina 30
Competition by exploitation occurs when one individual consumes a resource
and makes it unavailable to others; the competing individuals may never actually
meet. Competition by interference occurs when two individuals directly interact, ...
Competition by exploitation occurs when one individual consumes a resource
and makes it unavailable to others; the competing individuals may never actually
meet. Competition by interference occurs when two individuals directly interact, ...
Pagina 258
LEVELS OF SELECTION Under ordinary natural selection, alleles increase in
frequency if they enhance the fitness of their bearers, relative to that of genetically
different individuals in the same population. By this mechanism, a trait cannot ...
LEVELS OF SELECTION Under ordinary natural selection, alleles increase in
frequency if they enhance the fitness of their bearers, relative to that of genetically
different individuals in the same population. By this mechanism, a trait cannot ...
Pagina 269
A strategy is "a specification of what an individual will do in any situation in which
it may find itself." A strategy may be pure, meaning that the individual always has
the same phenotype, or it may be mixed, meaning that the phenotype of the ...
A strategy is "a specification of what an individual will do in any situation in which
it may find itself." A strategy may be pure, meaning that the individual always has
the same phenotype, or it may be mixed, meaning that the phenotype of the ...
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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