Evolutionary BiologyCovers 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 29
( Redrawn from Wickler 1968 ) ORRIGERE it can reproduce , a single host
individual may yield an enormous number of parasite offspring . Thus the intrinsic
rate of natural increase of a parasite is often many times greater than that of its
host .
( Redrawn from Wickler 1968 ) ORRIGERE it can reproduce , a single host
individual may yield an enormous number of parasite offspring . Thus the intrinsic
rate of natural increase of a parasite is often many times greater than that of its
host .
Pagina 228
Suppose , for example , that in an herbivorous insect genotypes AA and A ' A ' are
adapted to host plant species 1 and 2 respectively , and that AA ' is not well
adapted to either . Each homozygote would have higher fitness if it mated ...
Suppose , for example , that in an herbivorous insect genotypes AA and A ' A ' are
adapted to host plant species 1 and 2 respectively , and that AA ' is not well
adapted to either . Each homozygote would have higher fitness if it mated ...
Pagina 229
( After Lewis and Lewis 1955 ) to one host or the other , but is monomorphic ( e .
g . , BB ) at the locus that would provide assortative mating , the sympatric
evolution of assortative mating requires that allele b increase in frequency , and
that ...
( After Lewis and Lewis 1955 ) to one host or the other , but is monomorphic ( e .
g . , BB ) at the locus that would provide assortative mating , the sympatric
evolution of assortative mating requires that allele b increase in frequency , and
that ...
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Sommario
CONCEPTIONS AND MISCONCEPTIONS | 7 |
Chapter | 18 |
THE EFFECT OF DENSITY | 24 |
Copyright | |
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Parole e frasi comuni
adaptive advantage allele frequency animals appear arise average become birds caused cells Chapter characteristics characters chromosomes common competition condition copies correlated crossing depends determined developmental differentiation direct distribution diversity Drosophila ecological effect elements environment enzyme equilibrium evidence evolution evolutionary evolved example exist extinction factors favor females Figure fitness fossil function gene gene flow genetic drift genotypes greater groups heterozygotes higher host human hybrid important increase individual insects interactions isolation less linkage loci locus lower major males mammals mating mean mechanisms morphological mutation natural selection occur organisms origin pairs pattern phenotype plants Pleistocene polymorphic population possible predators present probability produced recombination reduced region relative represent reproductive response sequence similar single sometimes speciation species structure taxa term theory tion trait variance variation vary
Informazioni bibliografiche
| Titolo | Evolutionary Biology |
| Autore | Douglas J. Futuyma |
| Edizione | 2, illustrata |
| Editore | Sinauer Associates, 1986 |
| Provenienza dell'originale | la University of Michigan |
| Digitalizzato | 27 gen 2010 |
| ISBN | 0878931880, 9780878931880 |
| Lunghezza | 600 pagine |
| Esporta citazione | BiBTeX EndNote RefMan |