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Lesson 2-The Dose Makes the Poison boy looking through a microscope
Dose-Response Relationships

Description of Dose-Response Seed Germination Experiment

Section 1

The first section displays a five-column table as outlined below:

Amount of Water Amount of Chemical Total Volume of Liquid Concentration of Chemical

20

0

20

0%

18.75

1.25

20

6.25%

17.5

2.5

20

12.5%

15

5

20

25%

10

10

20

50%

0

20

20

100%

Section 2

The second section shows how different concentrations of three chemicals affect the growth of seeds. The results are outlined in the following table:

Chemical Name Concentration of Chemical Number of Seeds Sprouted Percent of Seeds Sprouted

Fruit Punch Soda

0%

0

0%

Fruit Punch Soda

6.25%

1

10%

Fruit Punch Soda

12.5%

1

10%

Fruit Punch Soda

25%

4

40%

Fruit Punch Soda

50%

6

60%

Fruit Punch Soda

100%

10

100%

Plant Fertilizer

0%

1

10%

Plant Fertilizer

6.25%

9

90%

Plant Fertilizer

12.5%

10

100%

Plant Fertilizer

25%

10

100%

Plant Fertilizer

50%

10

100%

Plant Fertilizer

100%

10

100%

Window Cleaner

0%

0

0%

Window Cleaner

6.25%

1

10%

Window Cleaner

12.5%

8

80%

Window Cleaner

25%

9

90%

Window Cleaner

50%

10

100%

Window Cleaner

100%

10

100%