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 41
Pagina 20
... niche of a species are represented . If a locality contains combinations of the three variables that lie within the solid figure ( the species ' niche ) , the species may persist . Notice that the com- bination of high temperature and ...
... niche of a species are represented . If a locality contains combinations of the three variables that lie within the solid figure ( the species ' niche ) , the species may persist . Notice that the com- bination of high temperature and ...
Pagina 21
... niche . For example , when ecologists refer to the degree of “ niche overlap " of two species of birds , they often are referring specifically to the species ' common use of a single variable such as the size of the seeds they eat ...
... niche . For example , when ecologists refer to the degree of “ niche overlap " of two species of birds , they often are referring specifically to the species ' common use of a single variable such as the size of the seeds they eat ...
Pagina 488
... niche " of each phenotype i is specified by its location along the resource axis and by its width ( the within - phenotype niche breadth w ; ) . In the absence of competing species , the mean phenotype of a single species will evolve to ...
... niche " of each phenotype i is specified by its location along the resource axis and by its width ( the within - phenotype niche breadth w ; ) . In the absence of competing species , the mean phenotype of a single species will evolve to ...
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