Q1) For primary producers such as plants, photosynthesis requires carbon dioxide (CO2), water (H2O), and sunlight. As a result of photosynthesis, plants produce glucose (C6H12O6) and oxygen (O2). The CO2 is used to make glucose. Energy from sunlight is used to power the reaction that creates the glucose molecules. The data set below is the results of a study that investigated how light intensity (distance from a light source; cm) affects photosynthesis (bubble production; #O2 bubbles) in Elodea (aquatic plant). # of bubbles produced @ 5 cm # of bubbles produced @ 10 cm # of bubbles produced @ 20 cm # of bubbles produced @ 30 cm Group 1 0 9 7 0 Group 2 2 12 6 3 Group 3 2 9 9 2 Group 4 0 8 10 0 Group 5 1 10 7 5 Group 6 3 13 4 4 Group 7 3 10 8 4 Please identify the independent variable and the dependent variable in this study. Based on the data presented here, explain the trends you observed in the data (include average bubble production at each distance in your discussion). Additionally, conclude if you would accept or reject the hypothesis that light intensity does not affect photosynthetic activity and provide evidence to support your conclusion. Please produce a line or bar graph that supports your conclusion. Please be sure to properly label your graph.

Biology 2e

2nd Edition

ISBN:9781947172517

Author:Matthew Douglas, Jung Choi, Mary Ann Clark

Publisher:Matthew Douglas, Jung Choi, Mary Ann Clark

Chapter8: Photosynthesis

Section: Chapter Questions

Problem 3VCQ: Figure 8.18 Which of the following statements is true? In photosynthesis, oxygen, carbon dioxide,...

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Q1) For primary producers such as plants, photosynthesis requires carbon dioxide (CO₂), water (H₂O), and sunlight. As a result of photosynthesis, plants produce glucose (C₆H₁₂O₆) and oxygen (O₂). The CO₂ is used to make glucose. Energy from sunlight is used to power the reaction that creates the glucose molecules. The data set below is the results of a study that investigated how light intensity (distance from a light source; cm) affects photosynthesis (bubble production; #O₂bubbles) in Elodea (aquatic plant).

	# of bubbles produced @ 5 cm	# of bubbles produced @ 10 cm	# of bubbles produced @ 20 cm	# of bubbles produced @ 30 cm
Group 1	0	9	7	0
Group 2	2	12	6	3
Group 3	2	9	9	2
Group 4	0	8	10	0
Group 5	1	10	7	5
Group 6	3	13	4	4
Group 7	3	10	8	4

Please identify the independent variable and the dependent variable in this study.
Based on the data presented here, explain the trends you observed in the data (include average bubble production at each distance in your discussion). Additionally, conclude if you would accept or reject the hypothesis that light intensity does not affect photosynthetic activity and provide evidence to support your conclusion.
Please produce a line or bar graph that supports your conclusion. Please be sure to properly label your graph.

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