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. |
Dall'interno del libro
Risultati 1-3 di 83
Pagina 22
... growth is N1 + 1 = RN . R may be defined as the ratio of the number of individuals born in two successive generations . As long as the birth rate exceeds the death rate ( r > 0 ) , the population will increase in an exponential fashion ...
... growth is N1 + 1 = RN . R may be defined as the ratio of the number of individuals born in two successive generations . As long as the birth rate exceeds the death rate ( r > 0 ) , the population will increase in an exponential fashion ...
Pagina 24
... growth is said to be DENSITY - INDEPENDENT . THE EFFECT OF DENSITY ON POPULATION GROWTH As a population grows , the age - specific birth and death rates change , so the actual rate of increase r is not constant . At very low densities r ...
... growth is said to be DENSITY - INDEPENDENT . THE EFFECT OF DENSITY ON POPULATION GROWTH As a population grows , the age - specific birth and death rates change , so the actual rate of increase r is not constant . At very low densities r ...
Pagina 175
... growth rate of the population if w referred to absolute fitness . But since w is so standardized as to measure relative fitness , one genotype may replace another , yet the growth rate of the population as a whole may not increase . It ...
... growth rate of the population if w referred to absolute fitness . But since w is so standardized as to measure relative fitness , one genotype may replace another , yet the growth rate of the population as a whole may not increase . It ...
Altre edizioni - Visualizza tutto
Parole e frasi comuni
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