Evolutionary BiologyFutuyma (ecology and evolution, SUNY Stony Brook) covers such subject areas as phylogeny, paleobiology, genetic mechanisms of change and speciation, character evolution, the theory of processes and macroevolution, and new molecular perspectives. Numerous line drawings, charts, diagrams, and maps are provided. Annotation copyrighted by Book News, Inc., Portland, OR |
Dall'interno del libro
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Pagina 132
60 Merychippus paniensis Neohipparion occidentale 50 40 30 UIIIII 20
Dimensions ( mm ) 10 Hypohippus Mesohippus Osborni bairdi Height of
paracone Length of ectoloph Eohippus borealis 3 Changes in two dental
characters in a ...
60 Merychippus paniensis Neohipparion occidentale 50 40 30 UIIIII 20
Dimensions ( mm ) 10 Hypohippus Mesohippus Osborni bairdi Height of
paracone Length of ectoloph Eohippus borealis 3 Changes in two dental
characters in a ...
Pagina 151
In some instances it is fairly easy to determine whether characters are
homologous by their anatomical design ; the " beak ” of a biting fly is not
homologous to that of a true bug , for the relations of the labrum , mandibles ,
maxillae , and labium ...
In some instances it is fairly easy to determine whether characters are
homologous by their anatomical design ; the " beak ” of a biting fly is not
homologous to that of a true bug , for the relations of the labrum , mandibles ,
maxillae , and labium ...
Pagina 152
such homoplasious character states can lead us to mistakenly combine species
into the wrong groups . But such homoplasious characters ( including those that
undergo evolutionary reversal ) do not agree with the true phylogeny , whereas ...
such homoplasious character states can lead us to mistakenly combine species
into the wrong groups . But such homoplasious characters ( including those that
undergo evolutionary reversal ) do not agree with the true phylogeny , whereas ...
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Sommario
A Synopsis of Evolutionary Theory | 19 |
Heredity and Development | 33 |
The Ecological Context of Evolutionary Change | 51 |
Copyright | |
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adaptive advantageous alleles alterations ancestor appear arise associated average become behavior biological birds body bristle cause cent Chapter character characteristics chromosome common complex consists depends derived determined developmental differentiation direction Discuss distribution diversity dominant drift Drosophila ecological effect environment environmental enzyme equal equilibrium evidence evolution evolutionary evolved example exist extinction factors females Figure fitness fossil function gene flow gene frequency genetic genetic variation genotypes geographic greater growth heterozygotes higher highly human hybrid important increase individuals insects instances interactions isolated kinds less loci locus major males mating mean mechanisms mutation natural selection occur offspring organisms origin patterns phenotypic plants Pleistocene polymorphic population possible predators present probability produce proportion recombination relative reproduction response sexual similar single speciation species structure suggests theory tion variance vary