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