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 292
... lineage diverged from other lineages at a constant , clock - like rate , the degree of difference between any two species would be directly proportional to the time elapsed since they have become sep- arate gene pools , i.e. , since ...
... lineage diverged from other lineages at a constant , clock - like rate , the degree of difference between any two species would be directly proportional to the time elapsed since they have become sep- arate gene pools , i.e. , since ...
Pagina 293
... lineage than another ; and in each lineage the two characters often differed in their rates of change . The detailed fossil record of the radiolarian protozoan Pseudocubus vema ( Figure 6 ) shows that size evolved at a highly inconstant ...
... lineage than another ; and in each lineage the two characters often differed in their rates of change . The detailed fossil record of the radiolarian protozoan Pseudocubus vema ( Figure 6 ) shows that size evolved at a highly inconstant ...
Pagina 370
... lineage comes under selection toward this optimum . Thus a bird of prey that becomes specialized for hunting birds ... lineages in a clade repeatedly evolve one trait - smaller body size , for example - under individual selection . An ...
... lineage comes under selection toward this optimum . Thus a bird of prey that becomes specialized for hunting birds ... lineages in a clade repeatedly evolve one trait - smaller body size , for example - under individual selection . An ...
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 Biol biological birds bristle cells Chapter characters chromosome coefficient coevolution common competition copies correlation developmental differentiation distribution divergence Dobzhansky Drosophila melanogaster ecological effect environment environmental enzyme equilibrium evidence evolution evolutionary change evolved example extinction factors females Figure fitness fossil record function Futuyma gametes gene conversion gene family gene flow gene frequencies genetic drift genetic variation genome genotypes geographic heritability heterozygotes heterozygous homologous homozygotes homozygous host human hybrid inbreeding increase individual insects interactions Lewontin linkage disequilibrium loci locus males mammals mating mechanisms molecular morphological mutation natural selection neoteny nucleotide occur offspring organisms paedomorphosis pairs parasites pattern phenotypic phylogenetic phylogeny plants polymorphism predators prey proteins pseudogenes random recombination segments sexual similar speciation structure sympatric Syst theory tion traits transposable elements University Press variable variance vertebrates York