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 78
Pagina 215
... character ( possibly some chemical substance ) passes a threshold . Such characters are probably very im- portant in evolution , and may be expected to evolve in spurts of rapid change , interspersed with periods of stasis . For example ...
... character ( possibly some chemical substance ) passes a threshold . Such characters are probably very im- portant in evolution , and may be expected to evolve in spurts of rapid change , interspersed with periods of stasis . For example ...
Pagina 287
... character states than taxa with more remote common ancestors . Each taxon retains some ancestral character states . states of each of five characters . An ancestral character shared by several species is termed SYMPLESIOMORPHIC ; a ...
... character states than taxa with more remote common ancestors . Each taxon retains some ancestral character states . states of each of five characters . An ancestral character shared by several species is termed SYMPLESIOMORPHIC ; a ...
Pagina 291
... Character states of the taxa Characters D Matrix of shared character states B Cladogram E Matrix of shared derived character states Taxa 1 2 3 4 5 A B C D A a ' b ' C d e BC B a ' b ' c ' d ' e ' C a ' b C d e D a b C d FIGURE 4 e ABCD ...
... Character states of the taxa Characters D Matrix of shared character states B Cladogram E Matrix of shared derived character states Taxa 1 2 3 4 5 A B C D A a ' b ' C d e BC B a ' b ' c ' d ' e ' C a ' b C d e D a b C d FIGURE 4 e ABCD ...
Sommario
CONCEPTIONS AND MISCONCEPTIONS | 7 |
EVOLUTION SINCE THE SYNTHESIS | 13 |
ADAPTATION AND ENVIRONMENT | 19 |
Copyright | |
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adaptive adaptive radiation allele frequency amino acid ancestor average behavior biological birds bristle cells Chapter characters chromosome coefficient coevolution common competition copies correlated deleterious developmental differentiation distribution divergence Drosophila melanogaster ecological effect environment environmental enzyme equilibrium evidence evolution evolutionary change evolved example factors favor females Figure fitness fossil record function Futuyma gametes gene conversion gene family gene flow gene frequencies genetic drift genetic variation genome genotypes geographic groups heritability heterozygotes heterozygous higher taxa homologous homozygotes homozygous host human hybrid inbreeding increase individual insects interactions Lewontin linkage disequilibrium loci locus males mammals mating mean mechanisms molecular morphological mutation natural selection neoteny nucleotide occur offspring organisms pairs parasites pattern phenotypic phylogenetic phylogeny plants polymorphism population predators prey proteins pseudogenes random recombination related species relative reproductive isolation segments sexual similar speciation structure survival sympatric theory tion traits transposable elements variable variance vertebrates