Biology Review

3. __________ variable that changes deliberately
4. Universal Genetic Code
7. The most frequently occurring number
8. Positive relationship in data
12. forms cells that look different from one another and perform different functions
13. If, Then, Because statement
15. ________ reproduction: new organism, one parent
16. chemical reaction that breaks down energy
19. Observation that includes numbers
21. Observation that uses the five senses

1. The average value
2. ___________ variable that changes because of the independent variable
5. The middle number
6. a diagram in which the numerical values of variables are represented by the height or length of lines or rectangles
9. ___________ variable that does not change at any time during the experiment
10. Change over time
11. a graph that uses lines to connect individual data points
13. Maintaining Internal Balance
14. a signal to which an organism responds
17. Negative relationship in data
18. The difference between the highest and lowest numbers
20. a circular statistical graph which is divided into slices to illustrate numerical proportion