Darwin's Theory

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Across
  1. 2. the islands that Darwin traveled to where he made big gains in his theory
  2. 5. Monkey Flowers can’t grow in an environment that has a high concentration of blank
  3. 7. species gradually did this over many generations to adapt to the environment
  4. 8. animals better adapted to this tend to survive better
  5. 11. these inherit characteristics from their parents
  6. 12. race horses are selectively this to obtain the trait of speed
  7. 13. the theory of blank by natural selection
Down
  1. 1. name of the English ship Darwin was on
  2. 3. a trait that helps an organism survive
  3. 4. a preserved remains of an organism
  4. 6. there are 1.7 million of these
  5. 9. a genetic blank is a difference between individuals of the same species
  6. 10. a scientific blank is a concept that explains observations
  7. 13. the country Darwin was from