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Effect of oil spills on aquatic plants
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The hydrilla plant in the beaker with a layer of oil stopped producing oxygen after 3 hours, while the plant in the beaker without the oil continued to produce oxygen even after 5 hours.
Condition | Amount of oxygen produced by the hydrilla plant (mm) | ||||
1 hour | 2 hour | 3 hour | 4 hour | 5 hour | |
With oil | 3 | 5 | 6 | 6 | 6 |
Without oil | 3 | 6 | 8 | 11 | 13 |
The above results were than plotted onto a graph, as shown below.
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