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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Risultati 1-3 di 93
Pagina 272
... reproducing only once , while others are ITEROPAROUS , reproducing repeatedly ; why some , such as annual plants , reproduce early in life while others , such as trees , delay reproduction ; why some have many eggs or seeds and others ...
... reproducing only once , while others are ITEROPAROUS , reproducing repeatedly ; why some , such as annual plants , reproduce early in life while others , such as trees , delay reproduction ; why some have many eggs or seeds and others ...
Pagina 274
... reproduction into one big clutch at the earliest possible age : it should be semelparous . Iteroparity - repeated reproduction - can evolve , however , for sev- eral reasons . Contrast a semelparous genotype , with fecundity m ,, with ...
... reproduction into one big clutch at the earliest possible age : it should be semelparous . Iteroparity - repeated reproduction - can evolve , however , for sev- eral reasons . Contrast a semelparous genotype , with fecundity m ,, with ...
Pagina 281
... reproduction . Each female produces four equally fit offspring , but the frequency of the sexual allele drops ... reproduction , and another reduces crossing over or causes parthenogenesis , which allele will increase in frequency ...
... reproduction . Each female produces four equally fit offspring , but the frequency of the sexual allele drops ... reproduction , and another reduces crossing over or causes parthenogenesis , which allele will increase in frequency ...
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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