Stayin alive

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Across
  1. 2. an optical instrument used to magnify objects
  2. 4. the ability to sense or detect changes in the environment
  3. 6. used to define the characteristics of living things
  4. 9. the process that make of the same organism
  5. 10. the smallest functional unit in an organism
Down
  1. 1. an organism changing place or position
  2. 3. a chemical reaction that breaks down nutrient molecules in living cells to release energy
  3. 5. receiving nutrition
  4. 7. the body getting rid of waste products
  5. 8. an increase in size