Differentiate between Lamarckism,Darwinism,and Mutation Theory.

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Properties Lamarckism,Darwinism,and Mutation Theory Comparison
$(a)$ Vital force Lamarckism believes in an internal vital force for size increase. Darwinism and Mutation Theory do not believe in any internal vital force.
$(b)$ Conscious Reaction Lamarckism suggests animals react consciously to environmental changes. Darwinism and Mutation Theory do not involve conscious reactions in evolution.
$(c)$ Appetency Lamarckism considers desires (appetency) as a force for modification. Darwinism and Mutation Theory do not consider appetency as a factor.
$(d)$ Use and disuse Lamarckism emphasizes the use and disuse of organs. Darwinism and Mutation Theory are silent regarding the use and disuse of organs.

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