Natural Selection

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Across
  1. 1. species reproduce more than necessary to replace themselves
  2. 3. to choose traits of the offspring
  3. 5. organisms with the favorable traits survive
  4. 7. individuals compete for...
  5. 9. To adapt to survive
Down
  1. 2. the change of something over time
  2. 4. individuals in a species vary in...
  3. 6. some traits are better than others
  4. 8. Discovered natural selection