UNIT 1 & 2 BIO

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Across
  1. 4. an scientific idea that has not yet been proven
  2. 5. The movement of a substance from an area that is crowded to an area that is less crowded
  3. 7. The movement of water though a cell membrane
  4. 8. gives out the grades
  5. 9. the basic unit of life and function in all living things
  6. 10. A pure substance made of the same kinds of atoms
  7. 11. Possible answer or guess
  8. 13. A group of cells that work together to do a certain job
  9. 14. Study of living things
  10. 15. Study of plants
  11. 16. a theory that has passed many test
Down
  1. 1. The part of a cell that controls all the other parts
  2. 2. A thick strand of nuclear material that passes on traits from the parent cell to the daughter cells druing reproduction
  3. 3. The process by which plat cells use carbon dioxide water and light energy to make food
  4. 6. created this puzzle
  5. 11. when organisms keep their internal conditions relatively stable
  6. 12. A structure in a cell that release the most of a cell's energy