Vocabulary

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Across
  1. 2. a change in a gene that can happen naturally and might cause a new trait
  2. 5. where waste leaves the body
  3. 7. a chemical compound produced by glands
  4. 9. muscle in organs, allow organs to function
  5. 11. tube that connects kidneys to bladders
  6. 12. filters blood
Down
  1. 1. a change in an organisms environment that causes a reaction
  2. 3. a microorganism, such as bacteria or virus, that causes infections or sickness
  3. 4. the process where living things with traits that help them survive
  4. 6. the process of an organisms internal environment being kept stable in spite of the changes in the external environment
  5. 8. an action or change in behavior due to stimulus \
  6. 10. a characteristic or fracture of a living thing