Chapter 1 Crossword

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Across
  1. 3. the study of animals
  2. 6. organisms that must take in food
  3. 8. all living things are made of ____
  4. 12. the study of internal and external parts of organisms
  5. 13. environmental communities
  6. 16. determining if data is reliable
  7. 17. microscope that shoots electrons through a thinly sliced specimen
  8. 18. organisms that make their own food
  9. 19. the study of heredity
  10. 20. statement that explains and can be tested
Down
  1. 1. a stable level of internal conditions
  2. 2. the study of cells
  3. 4. cells become different as they multiply
  4. 5. a segment of DNA that has instructions for a single trait
  5. 7. the study of life
  6. 9. the study of the functions of parts of organisms
  7. 10. a unifying idea that relates ideas to each other
  8. 11. the study of plants
  9. 14. type of microscope we will use in this class
  10. 15. any living thing