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 289
... birds emphasizes the dissimilarity between birds and crocodilians , rather than their phylogenetic relationship . A taxon such as the class Reptilia that does not include all the descendants of an ancestor has been termed a PARAPHYLETIC ...
... birds emphasizes the dissimilarity between birds and crocodilians , rather than their phylogenetic relationship . A taxon such as the class Reptilia that does not include all the descendants of an ancestor has been termed a PARAPHYLETIC ...
Pagina 299
... birds appear earlier in the fossil record ( Jurassic ) than do snakes ( Cretaceous ) , but this does not mean that all the features of birds are more primitive than those of snakes , nor that snakes are descended from birds . Granted ...
... birds appear earlier in the fossil record ( Jurassic ) than do snakes ( Cretaceous ) , but this does not mean that all the features of birds are more primitive than those of snakes , nor that snakes are descended from birds . Granted ...
Pagina 336
... birds are descended directly from dinosaurs . Among living organisms , crocodilians the only other surviving descendants of the archosaurs — are the closest relatives of birds . Although their Jurassic remains are few , by the end of ...
... birds are descended directly from dinosaurs . Among living organisms , crocodilians the only other surviving descendants of the archosaurs — are the closest relatives of birds . Although their Jurassic remains are few , by the end of ...
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