Evolutionary biology |
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Pagina 59
Groups of cells often differentiate and acquire distinctive form in response to
induction by other groups of cells; for example, the central nervous system of
vertebrates differentiates in response to inducing factors emanating from the
notochord.
Groups of cells often differentiate and acquire distinctive form in response to
induction by other groups of cells; for example, the central nervous system of
vertebrates differentiates in response to inducing factors emanating from the
notochord.
Pagina 201
For example, if we are told that in one generation the mean wing length in a bird
population increased from 67.7 to 69.2 mm, we do not know whether we should
be impressed or not. But if the phenotypic variance is 0.25 mm2, the standard ...
For example, if we are told that in one generation the mean wing length in a bird
population increased from 67.7 to 69.2 mm, we do not know whether we should
be impressed or not. But if the phenotypic variance is 0.25 mm2, the standard ...
Pagina 253
evolution for its inferences; for example, one may infer that leaflessness in plants
is often an adaptation to xeric conditions from its prevalence in many unrelated
desert plants, or that a red, tubular corolla displayed by many unrelated plants is
...
evolution for its inferences; for example, one may infer that leaflessness in plants
is often an adaptation to xeric conditions from its prevalence in many unrelated
desert plants, or that a red, tubular corolla displayed by many unrelated plants is
...
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Sommario
CONCEPTIONS AND MISCONCEPTIONS | 7 |
EVOLUTION SINCE THE SYNTHESIS | 13 |
ADAPTATION AND ENVIRONMENT | 19 |
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Parole e frasi comuni
adaptive adaptive radiation allele frequency allozyme amino acid ancestor average become behavior biological birds bristle number Chapter character chromosome cladistic coefficient coevolution competition correlation Cretaceous deleterious developmental differentiation distribution diversity Drosophila Drosophila melanogaster ecological effect environment environmental enzyme equilibrium evidence evolutionary change evolved example extinction rates favor females Figure fitness fossil record function gametes gene conversion gene flow genetic drift genetic variation genome genotypes geographic groups habitats heritability heterozygotes heterozygous higher taxa homozygotes homozygous host human hybrid inbreeding individual insects interactions Lewontin lineage linkage disequilibrium loci locus males mammals mating mean molecular morphological mutation natural selection neoteny nucleotide occur offspring organisms parasites pattern phenotype phylogenetic phylogeny plants polymorphism population predators prey proteins pseudogenes rate of evolution recombination region related species relative reproductive isolation sequence sexual similar South America speciation structure survival sympatric taxa taxon theory tion trait transposable elements variance
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 |