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What are the differences between Lamarckism and Darwinism ?
Answers (1)
Lamarckism: Lamarck (1744 –1829) was one of the most brilliant stars on the horizon of the history of evolution. He was the first naturalist to put forward a general theory of evolution in his famous book. Philosophic Zoologique published in 1809.
(1) The theory lays stress on internal force, appetency and use and disuse of organs.
(2) It believes that changes in environment bring about a conscious reaction in animals.
(3) According to Lamarckism the acquired characters passes on to the next generation.
Darwinism: Charles Robert Darwin was undoubtedly the first naturalist who put the idea of organic evolution on sound footing. His statements and theories were based upon practical experiences and large number of proofs which he collected directly from the nature.
(1) According to this theory accumulation of continuous variations causes changes in individuals to form new species.
(2) It believes in the selection of individuals on the basis of accumulation of variation.
(3) Darwinism does not believe in isolation.
(4) It can explain the origin of new characters.
(5) Darwinism cannot explain the persistence of certain forms in the unchanged condition.
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