2. According to the bar graph below, which plant groups occupy at least 40% of tropical rainforests?

• trees and ferns
• trees, ferns, flowers, and mosses
• trees, ferns, and flowers
• all 5 groups of plants

5. Using the figure below, how much farther had student A traveled than student B at a time of 20 minutes?

• 10 mm
• 12 mm
• 15 mm
• 20 mm

6. Using the data in the figure below, predict what would happen at a time of 50 minutes.

• the distance between student A and student B will be less than 10 mm apart
• the distance between student A and student B will be approximately 15 mm apart
• there will not be any distance between student A and student B
• the distance between student A and student B will increase to about 25 mm apart

7. According to the figure below, determine approximately how many hours of sunlight these plants should receive each day in order to make them grow at their optimum level.

• 4 hours
• 12 hours
• 16 hours
• 24 hours

12. What can Reece conclude about the amount of spring rainfall and the number of frogs found in the pond?

• As the amount of rainfall increases the number of frogs also increases.
• As the amount of rainfall increases the number of frogs decreases.
• As the amount of rainfall decreases the number or frog increases.
• As the amount of rainfall decreases the number of frogs stays about the same.

13. What correlation can Marcus make in regards to the information detailed in the graph below.

• The rise and fall of the tides corresponds largely to the time of day.
• The rising water level of the tides happens between 10 Am and Noon and again at 10 PM and Midnight.
• The lowest average water level happens between 6 and 8 a.m. and again between 6 and 8 p.m.
• All of the above are true statements.

14. Between which 2 weeks was the largest amount of growth observed?

• Between week 0 and week 1
• Between week 1 and week 2
• Between week 2 and week 3
• Between week 3 and week 4

Which variable goes on the X axis?

• Independent

• Dependent

• Manipulated

• Responding

Which variable goes on the Y axis?

• Dependent

• independent

• Manipulated

• Responding

All graphs have to have a ______________?