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 299
... mammals . But only if a character state is ubiquitous among the fossil members of a group thought to have included the ancestors of a modern taxon can the fossil's features safely be assessed as the ancestral state ( Schaeffer et al ...
... mammals . But only if a character state is ubiquitous among the fossil members of a group thought to have included the ancestors of a modern taxon can the fossil's features safely be assessed as the ancestral state ( Schaeffer et al ...
Pagina 303
... mammals . In contrast , the Litop- terna , an extinct order of South American horse - like mammals , included one- toed forms in the Miocene , whereas only three - toed genera are found later , in the Pliocene and Pleistocene ( Romer ...
... mammals . In contrast , the Litop- terna , an extinct order of South American horse - like mammals , included one- toed forms in the Miocene , whereas only three - toed genera are found later , in the Pliocene and Pleistocene ( Romer ...
Pagina 334
... mammals . Among these are the haramyids , the likely ances- tors of the multituberculate mammals of the later Mesozoic ( Figure 15 ) , and Kuehneotherium , a genus related to the probable ancestors of the marsupials and placental ...
... mammals . Among these are the haramyids , the likely ances- tors of the multituberculate mammals of the later Mesozoic ( Figure 15 ) , and Kuehneotherium , a genus related to the probable ancestors of the marsupials and placental ...
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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