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
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Pagina 347
... rates of extinction ( E ) increase more rapidly with species number than do origination rates ( 0 ) , an equilibrium number of species ( Ŝ ) will exist when 0 = E. Whether origination rates are constant ( 03 ) or decline as diversity ...
... rates of extinction ( E ) increase more rapidly with species number than do origination rates ( 0 ) , an equilibrium number of species ( Ŝ ) will exist when 0 = E. Whether origination rates are constant ( 03 ) or decline as diversity ...
Pagina 352
... extinction . The width of each bar is pro- portional to the number of genera ... rates have varied at random around a constant mean . They suggest that small ... extinction rates are regulated by diversity . The rate of origination of new ...
... extinction . The width of each bar is pro- portional to the number of genera ... rates have varied at random around a constant mean . They suggest that small ... extinction rates are regulated by diversity . The rate of origination of new ...
Pagina 371
Douglas J. Futuyma. and consequently should have higher rates of both speciation and extinction . In fact the extinction rates of nonplanktotrophic forms have been higher , there is some evidence that they have speciated faster , and ...
Douglas J. Futuyma. and consequently should have higher rates of both speciation and extinction . In fact the extinction rates of nonplanktotrophic forms have been higher , there is some evidence that they have speciated faster , and ...
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