Chapter 10 Vocabulary Lesson 1-3

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Across
  1. 3. form when two or more elements combine chemically
  2. 5. the maintenance of internal stable conditions necessary for life functions
  3. 7. any substance that cannot be broken down
  4. 8. molecules move from an area of higher concentration to lower concentration
  5. 9. made of many cells
  6. 11. the basic unit of structure and function of living things
  7. 12. surrounds a cell and separates from the outside environment
  8. 13. made of different kinds of tissues that function together
  9. 14. works together in an organism
  10. 16. process by which cells capture the energy in sunlight and covert it to energy stored in food
  11. 17. a group of similar cells
  12. 18. widely accepted explanation of the relationship between cells and living things
  13. 19. is a process in which one cell splits into two new cells(genetically identical)
Down
  1. 1. an instrument that makes small objects look larger
  2. 2. smallest unit of an element
  3. 4. living thing with one cell
  4. 6. cells break down glucose molecules in the presence of oxygen, releasing energy
  5. 10. the genetic material that carries information about an organism
  6. 15. smallest part, or unit, of many compounds