Characteristics of Life Review

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Across
  1. 4. All organisms are made up of cells or _________.
  2. 6. An organism's ability to maintain internal balance when outside conditions change
  3. 8. An organism made up of only one cell
  4. 9. Hunger and thirst are examples of _______ stimuli
  5. 10. Organisms that consume other organisms for food
  6. 12. When external environment becomes too hot, your body tries to cool you down by __________
  7. 14. Organisms that consume plants
  8. 17. The changes that occur in organisms during its lifetime are called _____
  9. 18. Organisms that rely on the Sun or produce their own food
  10. 19. Cells use _________ to transport substances, make new cells and perform chemical reactions
  11. 21. Organisms _________ by increasing cell size or increasing cell number
Down
  1. 1. An organism made up of more than one cell
  2. 2. Some organisms need a _____ to reproduce; some do not
  3. 3. Organisms that consume meat
  4. 5. Light and temperature are examples of ___________ stimuli
  5. 7. Changes in an environment
  6. 11. Another term for a living thing
  7. 12. There are ________ characteristics of living things
  8. 13. Smallest structure that functions in a living thing
  9. 15. Organisms that consume both plants and animals
  10. 16. When the external environment becomes too cold your body tries to warm you up by _______.
  11. 20. The process by which one organism makes one or more new organisms