Science Fun

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Across
  1. 2. preserved remains
  2. 5. group of same species
  3. 6. change over time
  4. 8. inherited characteristic
  5. 9. rapid decrease of population
Down
  1. 1. reproductive success
  2. 3. new organism from reproduction
  3. 4. creating new individuals
  4. 7. different alleles in a population