Lamarck's theory of evolution appeared

  • A. after Darwin's Origin of Species
  • B. at exactly the same time as Darwin's
  • C. about half a century before Darwin's
  • D. in the twentieth century

Explanation

Philosophie Zoologique appeared in 1809 and the Origin of Species in 1859, so Lamarck preceded Darwin by fifty years. Knowing the order stops the common slip of crediting Darwin with the first theory.

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