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 338
... Cretaceous , and began a radiation that would become pronounced in the Miocene . A few Cretaceous birds , such as the aquatic Hesperornis , retained teeth but otherwise differed from Archaeopteryx by possessing modern avian fea- tures ...
... Cretaceous , and began a radiation that would become pronounced in the Miocene . A few Cretaceous birds , such as the aquatic Hesperornis , retained teeth but otherwise differed from Archaeopteryx by possessing modern avian fea- tures ...
Pagina 364
... Cretaceous dwindled slowly toward their nadir over a period of many thou- sands of years . For some , such as the ammonites and dinosaurs , the end of the Cretaceous merely marked the end of a long decline . In contrast , however ...
... Cretaceous dwindled slowly toward their nadir over a period of many thou- sands of years . For some , such as the ammonites and dinosaurs , the end of the Cretaceous merely marked the end of a long decline . In contrast , however ...
Pagina 365
... Cretaceous , and that at least some major groups of organisms became extinct rather abruptly ; but there is still no clear consensus on whether or not an extraterrestrial impact caused the extinction . Whether or not the various mass ...
... Cretaceous , and that at least some major groups of organisms became extinct rather abruptly ; but there is still no clear consensus on whether or not an extraterrestrial impact caused the extinction . Whether or not the various mass ...
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