But not everyone agrees that these traits are necessarily products of natural selection. Perhaps, skeptics have suggested, the observed fluctuations in allele frequencies are just routine ...

BACKGROUND: Desmosomal gene variants (DGVs) have been associated with a diverse spectrum of phenotypic manifestations within ...

40 A meta-analysis of 19 prospective cohort studies was limited by study heterogeneity and wide variability in both frequency of fish intake and ... effects remains to be established. The long natural ...

This paper presents valuable findings on the processing of sound mixtures in the auditory cortex of ferrets, a species widely used for studies of auditory processing. Using the convenient and ...

Biologists at the University of Massachusetts Amherst have released the first broad-scale, comparative, fine-grained analysis linking the amplitude, or volume, of a bird's song to its vocal frequency, ...

Evolutionary biology is the study of this process, which can occur through mechanisms including natural selection, sexual selection and genetic drift.

Allen, J.A., Anderson, K.P. & Tucker, G.M. 1987. More than meets the eye - a simulation of natural selection. Journal of Biological Education 21: 305.