Hard Science Crossword

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Across
  1. 6. a living thing
  2. 7. can create its own energy
  3. 10. an animal with a backbone
  4. 11. lay their eggs in water
  5. 14. has feathers and wings
  6. 15. an organism that feeds on other plants and animals for energy
  7. 17. organism that decays dead pants or animals
  8. 18. lives in water lays eggs
  9. 19. an animal without backbone
  10. 20. not segmented has one or two shelles
Down
  1. 1. to sort things in groups
  2. 2. Spiny skinned body in five parts
  3. 3. an invertebrate animals such as a spider or crab
  4. 4. flat thin bodies mostly parasites
  5. 5. to put in a particular pattern or method
  6. 8. only eats plants
  7. 9. has hair or fur
  8. 12. rounded bodied
  9. 13. eats plants and animals
  10. 15. only eats meat
  11. 16. has dry scaly skin(cold blooded)