Producers Experiment Purpose: To determine what plants need to produce food. Experimental design • Students planted 500 grams (g) of bean seeds in each of six planting containers filled with clean, dry sand. They added 1 gram of dry fertilizer to the sand in each planter. • Students placed the six planters in six identical environment chambers where water, light, and air could be controlled. Air gases include oxygen (O2), carbon dioxide (CO2), and nitrogen (N2). • After 3 weeks, students collected, dried, and weighed the seeds or plants. The chart below shows the conditions and results of the experiment. DATA CONDITIONS Starting Ending Mass Light 0, co, N, Water change mass mass 551 g 552 g Yes Yes Yes Yes Yes 500 g Environment A Yes Yes Yes Yes No 500 g Environment B Yes Yes Yes No Yes 500 g 500 g Environment C Yes Yes No Yes Yes 500 g 549 g Environment D 500 g 500 g Yes No Yes Yes Yes 500 g Environment E No Yes Yes Yes Yes 500 g Environment F Results: Describe the effect of the five environmental factors (water, light, etc.) on plant growth. Conclusions: What did you learn from the experiment about what plants need to produce food?

Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
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Chapter1: The Human Body: An Orientation
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Producers Experiment
Purpose: To determine what plants need to produce food.
Experimental design
• Students planted 500 grams (g) of bean seeds in each of six planting containers filled with clean,
dry sand. They added 1 gram of dry fertilizer to the sand in each planter.
Students placed the six planters in six identical environment chambers where water, light, and air
could be controlled. Air gases include oxygen (O2), carbon dioxide (CO2), and nitrogen (N2).
After 3 weeks, students collected, dried, and weighed the seeds or plants. The chart below shows
the conditions and results of the experiment.
DATA
CONDITIONS
Starting
Ending
Mass
Light
o,
co,
N,
change
Water
mass
mass
Yes
Yes
Yes
Yes
Yes
500g
551 g
Environment A
Yes
Yes
Yes
Yes
No
500 g
552 g
Environment B
Yes
Yes
Yes
No
Yes
500 g
500 g
Environment C
500
549 g
Yes
Yes
No
Yes
Yes
Environment D
Yes
No
Yes
Yes
Yes
500 g
500 g
Environment E
No
Yes
Yes
Yes
Yes
500 g
500 g
Environment F
Results: Describe the effect of the five environmental factors (water, light, etc.) on plant growth.
Conclusions: What did you learn from the experiment about what plants need to produce food?
FOSS Next Generation
O The Regents of the University of California
Populations and Ecosystems Course
Investigation 5: Producers
*- . . ..
Transcribed Image Text:Producers Experiment Purpose: To determine what plants need to produce food. Experimental design • Students planted 500 grams (g) of bean seeds in each of six planting containers filled with clean, dry sand. They added 1 gram of dry fertilizer to the sand in each planter. Students placed the six planters in six identical environment chambers where water, light, and air could be controlled. Air gases include oxygen (O2), carbon dioxide (CO2), and nitrogen (N2). After 3 weeks, students collected, dried, and weighed the seeds or plants. The chart below shows the conditions and results of the experiment. DATA CONDITIONS Starting Ending Mass Light o, co, N, change Water mass mass Yes Yes Yes Yes Yes 500g 551 g Environment A Yes Yes Yes Yes No 500 g 552 g Environment B Yes Yes Yes No Yes 500 g 500 g Environment C 500 549 g Yes Yes No Yes Yes Environment D Yes No Yes Yes Yes 500 g 500 g Environment E No Yes Yes Yes Yes 500 g 500 g Environment F Results: Describe the effect of the five environmental factors (water, light, etc.) on plant growth. Conclusions: What did you learn from the experiment about what plants need to produce food? FOSS Next Generation O The Regents of the University of California Populations and Ecosystems Course Investigation 5: Producers *- . . ..
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