Difference Between Darwinism and Lamarckism

Jean-Baptiste Lamarck and Charles Darwin both had speculated how life came to be through their theories. These two theories provide varying suggestions and obvious differences ranging from the mechanism of evolution to the vast diversity of life on earth. Read on to explore how these two theories were different from each other.

Difference Between Lamarckism and Darwinism

Darwinism

Lamarckism

This theory discredits the Internal Vital Force theory

Lamarckism strongly builds on the notion of Internal Vital Force in organisms

Development or disappearance of an organ happens due to continuous variations

From an evolutionary perspective, organs develop if it is constantly used. If unused, it could disappear

Darwinism emphasises on the struggle for existence

Lamarckism discredits struggle for existence

Only useful variations are transferred to the succeeding generation

All acquired traits are transferred to the next generation

Darwinism is built on the principle of survival of the fittest

Lamarckism does not build its principles on the notion survival of the fittest

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