For SCIENCE (quite literally too)

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Across
  1. 2. When genetic traits change in a
  2. 5. Flowering plants.
  3. 7. Hydrogen and oxygen together.
  4. 9. Powerhouse of the cell.
  5. 11. Effect of random errors in DNA replication.
  6. 12. old remains of an organism.
  7. 13. The one thing you change in an experiment.
  8. 15. Cold blooded.Most lay eggs.
Down
  1. 1. Ms Buterbaugh's twin.
  2. 3. You received half of these from each parent.
  3. 4. A special trait that helps an organism survive.
  4. 6. Father of genetics.
  5. 8. Food made by plants.
  6. 10. An organism that makes it's own food.
  7. 14. Completely killed off.