The current evolutionary biology theory primarily involves genetic alterations and random DNA sequence mutations to generate the phenotypic variation required for Darwinian natural selection to act.

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Plant populations show phenotypic diversity, which may be caused by genetic and epigenetic variation. It has recently been shown that new epigenetic variants are generated at a higher rate than ...

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Understanding community-level selection using Lewontin’s criteria requires both community-level inheritance and community-level heritability, and in the discipline of community and ecosystem genetics, ...

Introduction : how to write history of biology -- The place of biology in the sciences and its conceptual structure -- The changing intellectual milieu of biology Diversity of life. Macrotaxonomy, the ...

Abstract: Parallel phenotypic evolution, the independent evolution of the same trait in closely related lineages, is interesting because it tells us about the contribution of natural selection to ...

An analysis of a slug-eating response by naive, newborn garter snakes provides a particularly clear example of geographic variation in behavior with a genetic basis. Feeding responses were recorded ...

Alas, poor Darwin. By all rights, 2009 should be his year, as books, museums and scholarly conclaves celebrate his 200th birthday (Feb. 12) and the 150th anniversary of "On the Origin of Species" (Nov ...