Principle objective of this lecture is to present on Evolution and Darwin. Evolution: The processes that have transformed life on earth from it’s earliest forms to the vast diversity that characterizes it today. Old Theories of Evolution: Jean Baptiste Lamarck (early 1800’s) proposed: “The inheritance of acquired characteristics”. He proposed that by using or not using its body parts, an individual tends to develop certain characteristics, which it passes on to its offspring. Finally describe on Charles Darwin: Influenced by Charles Lyell who published “Principles of Geology”.