scientific appetizers

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Across
  1. 4. succession formation of the ecosystem
  2. 5. anything that does photosynthesis
  3. 6. amount of photosynthesis in an ecosystem
  4. 7. succession rebuilding of the ecosystem
  5. 9. can produce its own food
  6. 10. total quantity or weight
  7. 11. gas to liquid
  8. 13. ability to compose organic matter
  9. 15. process of rain,snow, and etc. falling
  10. 17. eats plants and animals
  11. 18. ability to do work
  12. 19. living things
Down
  1. 1. only eats plants
  2. 2. drifters in the ocean
  3. 3. nonliving things
  4. 8. only eats meat
  5. 10. large ecosystem in one area
  6. 12. liquid to vapor
  7. 14. living and nonliving things coming together
  8. 16. class of organism that obtain their energy through oxidation in organic molecules