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 85
Pagina 371
... greater prevalence of nonplanktotrophic species in several groups . SUMMARY After each of the several mass extinctions in the history of life , diversity has rapidly increased , and has reached successively higher equilibrium levels ...
... greater prevalence of nonplanktotrophic species in several groups . SUMMARY After each of the several mass extinctions in the history of life , diversity has rapidly increased , and has reached successively higher equilibrium levels ...
Pagina 487
... greater energy content , but decreases because of greater handling time ; thus seeds of intermediate size have maximal food value , measured as mg consumed per second . Beak size , and hence rapidity of husking , is least for chipping ...
... greater energy content , but decreases because of greater handling time ; thus seeds of intermediate size have maximal food value , measured as mg consumed per second . Beak size , and hence rapidity of husking , is least for chipping ...
Pagina 530
... greater investment for the females than for males , so the cost ( in Darwinian fitness ) of a reproductive mistake is greater . Moreover , the female of a mated pair is certain that the offspring are hers , but the male is not ; so the ...
... greater investment for the females than for males , so the cost ( in Darwinian fitness ) of a reproductive mistake is greater . Moreover , the female of a mated pair is certain that the offspring are hers , but the male is not ; so the ...
Sommario
CONCEPTIONS AND MISCONCEPTIONS | 7 |
EVOLUTION SINCE THE SYNTHESIS | 13 |
ADAPTATION AND ENVIRONMENT | 19 |
Copyright | |
8 sezioni non visualizzate
Altre edizioni - Visualizza tutto
Parole e frasi comuni
adaptive advantage allele allele frequency animals appear arise associated average become behavior biological cause cells Chapter characteristics characters chromosome common competition condition conversion copies correlation depends determined developmental differentiation distribution divergence Drosophila ecological effect elements environment enzyme equilibrium evidence evolution evolutionary evolved example exist expression extinction factors Figure fitness fossil frequency function gene genetic genetic drift genome genotypes geographic greater groups growth higher host human hybrid important increase individual insects interactions isolation less linkage loci locus lower major males mating mean mechanisms morphological mutation natural selection occur organisms origin pairs pattern phenotypic plants Pleistocene polymorphism population possible predators Press probability proteins reduced region relationships relative represent reproductive response sequence similar single speciation species structure taxa term theory tion traits variance variation vary