A2.1 - IB Biology 2024+

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Across
  1. 3. droplets
  2. 5. where hot water emanates from beneath the ocean floor
  3. 7. a 4.6 billion year old plane
  4. 9. scientist who disproved the prevailing theory of spontaneous generation.
  5. 11. cells are the _____ units of life
  6. 14. all _____ things are made up of cells
  7. 15. scientist who created an ocean-atmosphere system to model early Earth
  8. 16. the believed first molecule of inheritance
  9. 17. simple cells
  10. 18. last universal common ancestor
Down
  1. 1. non living environment on earth
  2. 2. cell-sized, double-layered bubbles from the membrane
  3. 4. fossil dating technique using radiometric techniques
  4. 6. an enzyme and ribosome together
  5. 8. fossil dating technique using layers of sedimentary rock
  6. 10. form when concentrated mixtures of macromolecules are held in the right temperature, ionic composition and pH
  7. 12. number of functions of life
  8. 13. cells only come from ______ cells