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Current State: Published
Prof. L. S. Shashidhara, IISER (Pune)


Will be delivering a public talk titled "Behavioural Adaptations and Evolution"; at CSCS, March 11, 2010, 3pm to 5:30pm
When What
Starts on 11 March 2010 Will be delivering a public talk titled "Behavioural Adaptations and Evolution"; at CSCS, March 11, 2010, 3pm to 5:30pm

"Behavioural Adaptations and Evolution"

Abstract:

According to the theory of natural selection, as proposed by Darwin and Wallace, continuous interactions between changing genetic architecture of living organisms and changing environment lead to the formation of large number of different species. While enthusiastic Darwinists use the popular phrase “struggle for existence” to dramatize his theory of natural selection, it means survival of those which have genetic variations that are appropriate for a given environment. Evolution does not mean progress or improvement. It simply means change. The whole process is blind. Genetic variations occur randomly and their selection by nature is purely based on their adaptability in given time and space.


Nonetheless, “struggle for existence” has caught the imagination of naturalists, who extrapolated this to examine the effect of behavioral traits on natural selection and vice versa. With the better understanding of brain and consciousness, scientists started exploring to what extent behavioral adaptations influence innate interactions between morphological traits and environment. If we look around social behaviour of insects, fishes, birds, primates and many other species, it is clear that there has been natural selection not only at the levels of morphological phenotypes, but also at the levels of behaviour for better survival and reproduction abilities (together known as fitness). By their very nature, all behavioural traits are subjected to environmental influence much more than morphological and physiological traits.
Behavioural Adaptations and Evolution


On the speaker:
Prof. L. S. Shashidhara obtained his B.Sc. and M.Sc. (Genetics and Plant Breeding) in 1987 from the University of Agricultural Sciences (Dharwad). He received his Ph.D. in 1991 from the University of Cambridge (United Kingdom). After a period of post-doctoral work at the University of Cambridge, he worked at the National Centre for Biological Sciences (NCBS, Bangalore) as a Visiting Fellow. He joined Centre for Cellular and Molecular Biology (CCMB, Hyderabad) in 1995. And since August 2007, he is faculty at Indian Institute of Science Education and Research (IISER, Pune) as Professor and Coordinator of Biology.

 


http://www.iiserpune.ac.in/~ls.shashidhara

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