Evolution Crossword

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Across
  1. 2. When the DNA or genes of an organism change, changing some of the features
  2. 4. Physical adaptations that help an organism survive
  3. 6. Different structures with similar function in organisms with different ancestors
  4. 8. An organism's natural coloring or form that helps it blend in with its environment
  5. 9. Variation of the relative frequency of different genotypes in a small population
  6. 10. The breeding of plants and animals to produce desirable traits
  7. 15. Internal systematic responses that help an organism to survive, like instincts
Down
  1. 1. When organisms better adapted reproduce more than those less fit
  2. 3. When an organism has more success than others in reproducing due to a trait
  3. 5. When an organism changes to survive its environment better
  4. 7. Structures that have no (apparent) function and appear to be parts from an ancestor
  5. 11. The close resemblance of a plant/animal top another plant/animal
  6. 12. The gradual development of an organism
  7. 13. A long distance movement of individuals, usually seasonally
  8. 14. The ability to survive and reproduce