living things

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Across
  1. 2. / An action or change in behavior that occurs in reaction to a stimulus.
  2. 4. / A living thing.
  3. 5. / Consisting of many cells.
  4. 7. / An organism that makes it's own food.
  5. 10. / The process of change that occurs during an organism's life to produce a more complex organism.
  6. 11. / The maintenance of stable internal conditions in an organism.
Down
  1. 1. / The basic unit of structure and function in living things.
  2. 3. Generation / The mistaken idea that living things arise from nonliving sources.
  3. 6. / Made of a single cell.
  4. 8. / An organism that cannot make it's own food.
  5. 9. / A change in an organism's surroundings that cause the organism to react.