Stayin Alive

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Across
  1. 3. used to define a living thing
  2. 4. taking in nutrients
  3. 8. a thing moving to a different point
  4. 9. making more of the same species
Down
  1. 1. a increase in size
  2. 2. being able to detect things
  3. 5. getting rid of waste
  4. 6. building block of life
  5. 7. breathing in air