Unit 7 & 8 Word Puzzle

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Across
  1. 2. organisms such as bacteria and fungi that break down dead material.
  2. 6. the intensity of light from a celestial body.
  3. 7. region in space having infinite gravity.
  4. 8. an organism that consumes both animals and plants.
  5. 10. all of space and the matter space contains.
  6. 11. an animal that eats other animals.
  7. 12. a large grouping of stars in space.
Down
  1. 1. an organism that consumes only plants.
  2. 3. an organism that must consume other organisms for nutrients.
  3. 4. an organism that produces its own energy.
  4. 5. the death of a large star by explosion.
  5. 9. large cloud of gas and dust in interstellar space.