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. |
Dall'interno del libro
Risultati 1-3 di 84
Pagina 100
... plants enhances the likelihood that pollen will be deposited by insects on the stigma of a plant of the opposite type ; thus cross - fertilization is facilitated . Occasionally plants with both a long ( pin ) style and elevated ( thrum ) ...
... plants enhances the likelihood that pollen will be deposited by insects on the stigma of a plant of the opposite type ; thus cross - fertilization is facilitated . Occasionally plants with both a long ( pin ) style and elevated ( thrum ) ...
Pagina 126
... plants the distance to which pollen and seeds are dispersed affects the frequency of consanguineous matings . In addition , plants are frequently hermaphroditic and often capable of self - pollination . A single plant may have separate ...
... plants the distance to which pollen and seeds are dispersed affects the frequency of consanguineous matings . In addition , plants are frequently hermaphroditic and often capable of self - pollination . A single plant may have separate ...
Pagina 282
... plants an allele arises that in homozygous condition causes all the plant's ovules to be self- fertilized , but that the plant's pollen is nonetheless dispersed to other plants . Such an allele automatically has a strong selective ...
... plants an allele arises that in homozygous condition causes all the plant's ovules to be self- fertilized , but that the plant's pollen is nonetheless dispersed to other plants . Such an allele automatically has a strong selective ...
Altre edizioni - Visualizza tutto
Parole e frasi comuni
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