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Biology Articles » Evolutionary Biology
Evolutionary Biology is a subfield in biology that is concerned with the gradual change in the traits of living organisms over generations, especially the emergence of new species. It studies the sequence of events involved in the evolutionary development of a species or of a taxonomic group of organisms.
The Context of Human Genetic EvolutionThe debate on modern human origins has often focused on the relationship between genes and fossils.
Promiscuity May Be Key Factor In Immune System Evolution, Study SuggestsA new study indicates that evolution of the immune system may be directly linked to the sexual activity of a species.
The First Laugh: New Study Posits Evolutionary Origins Of Two Distinct Types Of LaughterIn an important new study from the forthcoming Quarterly Review of Biology, biologists from Binghamton University explore the evolution of two distinct types of laughter -- laughter which is stimulus-driven and laughter which is self-generated and strateg
Sex, cleaner of genomesThe finding supports a hypothesis that sex is an evolutionary housekeeper that adeptly reorders genes and efficiently removes deleterious gene mutations. The study also suggests sexual reproduction maintains its own existence by punishing, in a sense, ind
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