water science puzzle

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Across
  1. 1. old bones not decomposed
  2. 6. hunts the prey
  3. 8. Things change during life on earth
  4. 10. likes to pinch things
  5. 11. Lots of water
  6. 12. little things that swim
Down
  1. 2. not top of the food chain but close
  2. 3. top of food chain
  3. 4. Slimy and has 8 tentacles
  4. 5. gets hunted
  5. 7. does not hurt the other animals with it
  6. 9. everything does it