Bio

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Across
  1. 3. over Fertilization
  2. 4. The death of a whole species
  3. 8. A situation when the orignal population curve is restored
  4. 9. similar uses
  5. 11. Darwin's theory of evolution
  6. 13. overgrowning of algae due to eutrification
  7. 14. remains of an animal
Down
  1. 1. the assortment of species
  2. 2. rock that is sedimentary
  3. 5. The original big continent
  4. 6. organs that are not needed
  5. 7. the chance of reproduction in a particular species
  6. 10. smiliar stucture
  7. 12. a type of selection that is not natural