Natural Selection

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Across
  1. 1. Famous scientists used which animal to describe the process of evolution
  2. 3. Passing of characteristics from parents to their off spring
  3. 4. Only the animals best suited to their environment will survive and __
  4. 7. Organisms have specific ___ to survive in an environment
  5. 8. Change in an organisms genes or chromosomes
  6. 9. They carry the DNA responsible for building the organism.
  7. 10. Organisms must ____ to survive in a new environment
Down
  1. 2. The end of an organism or group of organism
  2. 5. The scientist who researched natural selection
  3. 6. Common phrase about evolution "survival of the _____)