huh

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Across
  1. 3. Naturally occurring inorganic substance
  2. 6. Interacting living and non-living components
  3. 8. study of cells
  4. 11. study of heredity
  5. 13. Breaks down complex molecules into simpler ones.
  6. 14. Rock altered by pressure/heat
  7. 16. Rock formed from sediment
  8. 20. the study of the functions of each part
  9. 21. Rock formed from magma
Down
  1. 1. Variety of life forms
  2. 2. explains the diversity of life on Earth through mechanisms like natural selection.
  3. 4. The study of parts and structure of organisms
  4. 5. the process by which organisms maintain a stable internal environment
  5. 7. Tectonics Movement of Earth's crust
  6. 9. the study of the relationships between living organisms
  7. 10. Breakdown of rocks into sediment
  8. 12. Hollow rock formation
  9. 15. theory states that all living things are made up of cells
  10. 17. Process of wearing away Earth's surface
  11. 18. Remains or traces of ancient organisms
  12. 19. Cycle Formation and transformation of rocks