David set up an experiment with three different types of plastic bags, X, Y, and Z, to observe the amount of oxygen in each bag. What was the amount of oxygen in each bag?
Understand the Problem
The question describes an experiment involving a plant and three different plastic bags to examine the amount of oxygen in each bag, asking for the amount of oxygen observed in each condition (X, Y, Z).
Answer
X: No change, Y: Increase, Z: Increase.
The final answer is (1) X: No change, Y: Increase, Z: Increase.
Answer for screen readers
The final answer is (1) X: No change, Y: Increase, Z: Increase.
More Information
Leaves in clear plastic bags (X and Y) will undergo photosynthesis, leading to an increase in oxygen. Bag Z in the dark limits photosynthesis, sustaining or slightly reducing oxygen levels. The tiny holes in bag Y enhance gas exchange, increasing oxygen.
Tips
A common mistake is to overlook the role of light exposure in photosynthesis and its effect on oxygen levels.
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