MCQOPTIONS
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| 1. |
If a lake receives a large input of a limiting nutrient, which of these would happen first? |
| A. | An algal bloom occurs. |
| B. | Algae begin to die and decomposers take over. |
| C. | Nitrogen compounds are recycled. |
| D. | The concentration of oxygen drops below the necessary level. |
| Answer» B. Algae begin to die and decomposers take over. | |