Jean de Lamarck's idea about biological evolution contained both correct notions and incorrect ones.Which of his ideas has proved to be correct?

Question

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Lamarck's idea that evolution is related to changes in adaptation to the environment has been validated through modern scientific understanding of natural selection. However, his ideas about life evolving towards increasing complexity and living forms becoming more perfect over time have been challenged by the theory of punctuated equilibrium, which suggests that evolution can occur in rapid bursts followed by periods of little change. Additionally, the idea of inheritance of acquired characteristics has been largely discredited.

Jean De Lamarck's Idea About Biological Evolution Contained Both Correct