Biology Vocabulary Review

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Across
  1. 3. Maintaining Internal Balance
  2. 5. chemical reaction that breaks down energy
  3. 8. The middle number
  4. 9. The difference between the highest and lowest numbers
  5. 10. a signal to which an organism responds
  6. 14. Observation that uses the five senses
  7. 15. ___________ variable that does not change at any time during the experiment
  8. 16. a circular statistical graph which is divided into slices to illustrate numerical proportion
  9. 17. Change over time
  10. 19. Positive relationship in data
  11. 20. a graph that uses lines to connect individual data points
  12. 21. forms cells that look different from one another and perform different functions
Down
  1. 1. Negative relationship in data
  2. 2. a diagram in which the numerical values of variables are represented by the height or length of lines or rectangles
  3. 3. If, Then, Because statement
  4. 4. __________ variable that changes deliberately
  5. 6. Observation that includes numbers
  6. 7. ________ reproduction: new organism, one parent
  7. 11. Universal Genetic Code
  8. 12. ___________ variable that changes because of the independent variable
  9. 13. The most frequently occurring number
  10. 18. The average value