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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Pagina 276
... males , which in some species may attempt to mate with extraordinarily inappropriate partners . In many species , then , the female chooses a mate from among contending males , although this pattern is reversed in some species such as ...
... males , which in some species may attempt to mate with extraordinarily inappropriate partners . In many species , then , the female chooses a mate from among contending males , although this pattern is reversed in some species such as ...
Pagina 277
... males over others constitutes intersexual selection ; for example , females of an African widowbird ( Euplectes progne ) , a kind of finch in which the males have extremely long tail feathers , mate selectively with longer - tailed males ...
... males over others constitutes intersexual selection ; for example , females of an African widowbird ( Euplectes progne ) , a kind of finch in which the males have extremely long tail feathers , mate selectively with longer - tailed males ...
Pagina 278
... males relative to T , males . If alleles P , and P2 do not affect females ' survival or fecundity , they are selectively neutral . Because T2 males are both acceptable to P , females and actively preferred by P2 females , T2 increases ...
... males relative to T , males . If alleles P , and P2 do not affect females ' survival or fecundity , they are selectively neutral . Because T2 males are both acceptable to P , females and actively preferred by P2 females , T2 increases ...
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 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