cells

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Across
  1. 2. changes in the environment are called
  2. 3. sun where does this energy come from
  3. 6. everything you do requires
  4. 7. smallest unit of life
  5. 9. living things made of one cell are
Down
  1. 1. living things made up of two or more cells are
  2. 4. help muscle development and our immune system
  3. 5. DNA/RNA
  4. 8. short term energy
  5. 10. fats provide long term energy/ insulation