Lamarckism or Theory of Inheritance of Acquired Characters: The theory of evolution put forward by French biologist Jean Baptiste Lamarck, commonly known as Lamarckism, mainly centers around the inheritance of acquired characters. Characters are acquired by the use and disuse of different organs and evolution is the result of the adaptation of organisms to the environment. Lamarck gave his theory in his book ‘Philosophie Zoologique‘ in 1809. Lamarckism Postulates: Although Lamarck himself proposed no postulates or law but his theory centers around four ideas, which may name, as postulates. Postulate I- Theory of Elan Vitae or Growth: The internal forces … Continue reading Lamarckism And Neo-Lamarckism