**INFORMATION NEEDED TO
COMPLETE THE FOLLOWING PROBLEMS**
Independent Variable: This is the cause.
Dependent Variable: This is the response or effect.
One
hundred samples of several different plants were placed in each of six sealed
containers with water in them. At the end of two days the amount of oxygen
produced was measured. Results are shown in the table below.
Container
Plant
Height
of Plant
Light
Intensity
Source
of Light
Distance
from Light
mL
O2
Produced
1
Iris
4"
High
Artificial
6"
16
2
Iris
4"
High
Natural
6"
13
3
Iris
6"
Low
Artificial
5"
12
4
Carnation
6"
High
Natural
4"
13
5
Carnation
6"
Low
Natural
4"
9
6
Carnation
4"
Low
Artificial
5"
14
Multiple Choice: Based on the data presented
in the table, which two containers could be correctly used to compare the rate
of photosynthesis at two different light sources? Explain your answer. (5
points)
a.In reviewing the data from the floating disk experiment, which factor had a greater impact on the rate of photosynthesis, increased light intensity or increased concentration of carbon dioxide? (1 point)
Please list the Distance the solvent
traveled, the Distance the pigment traveled, and the calculated Rf value for each of the
pigments extracted from the spinach leaves, in the acetone chromatography
procedure. (8 points)