7 Cell and Heredity U1 L5 Homeostasis

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Across
  1. 4. Low concentration to high concentration movement across cell membranes ____ ____
  2. 8. A ____ organism exchanges materials directly with its environment
  3. 9. The diffusion of water through a semi permeable membrane
  4. 10. These organisms must work together to maintain homeostasis for the entire organism
  5. 12. The movement of cells across the cell membrane without energy is called ____ ____
  6. 13. This is the maintenance of a constant internal state in a changing environment
  7. 15. Cells need ____ to perform cell functions
  8. 17. This is when particles are enclosed in a vessel and released from a cell
  9. 19. These are packaged DNA
  10. 20. All cells need ____ and materials in order to carry out life processes
  11. 22. When plant cells divide and ____ ____ is formed
  12. 23. This is where photosynthesis takes place
Down
  1. 1. An organism uses this process to get energy from food
  2. 2. Equal number of chromosomes are split to form to identical nuclei. This is known as ____
  3. 3. The process which plants make their own food is called
  4. 5. This is the enclosing of a particle in a vessel and bringing it into the cell
  5. 6. Nearly ____ the oxygen around us is made by photosynthesis
  6. 7. ____ carries waste away from cells
  7. 11. Cellular respiration produces ____ ____
  8. 14. This plant tissue transports food made within plant cells
  9. 16. The main transport system in your body is the ____ system.
  10. 18. The movement of molecules from high consentrations to low concentations
  11. 21. This is a vascular plant tissue that transports water and minerals from the roots to the rest of the plant