Darwin's biography

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Across
  1. 6. Darwin's observation that some species adapt to their environment.
  2. 7. The process by which animals best suited to their environment survive and reproduce.
  3. 8. "Survival of the ___." Darwin used this term to describe how animals with the best traits survive.
Down
  1. 1. Darwin’s most famous book is about origin of. .
  2. 2. The islands where Darwin made important discoveries about evolution.
  3. 3. Darwin's famous theory of how species change over time.
  4. 4. Darwin’s ship during his travels.
  5. 5. The trait or characteristic passed from one generation to the next.