What is the key idea of Lamarck's theory of evolution?

What is the key idea of Lamarck's theory of evolution?
  1. Use and disuse of organs
  2. Adaptive ability
  3. Inheritance of acquired characteristics
  4. Branching descent and natural selection

Solution

Before Darwin, a French naturalist Lamarck had said that evolution of life forms had occurred but driven by use and disuse of organs.

Asked in: NCERT

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