Science Project

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Across
  1. 3. 5 letters, organisms feeding on organic matter
  2. 5. 7 letters, carbon ______
  3. 6. 6 letters, ______ dioxide
  4. 7. 3 letters, an acronym for for something all organisms have
Down
  1. 1. 8 letters, kind of like a germ
  2. 2. 8 letters, we eat it and its kind of like a fungus
  3. 4. 4 letters, kind of like dirt
  4. 5. 10 letters, an organism that gets ESM by breaking down dead matter