MRS GREN

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Across
  1. 2. Ability to detect the environment.
  2. 4. An infectious agent which scientists disagree about if its alive.
  3. 6. Removal waste products.
  4. 8. An example of an excretion.
  5. 10. What living organisms turn food into.
  6. 11. Substances from which to acquire energy.
  7. 12. Taking air into the lungs.
Down
  1. 1. The changing of position.
  2. 3. A more descriptive term for food.
  3. 5. Increasing in size.
  4. 7. To make more of the same species.
  5. 9. Mold, algae, and bacteria are all...
  6. 13. The release of energy from a source of nutrients.