Excess fertiliser runs into a loch and algae grow rapidly. What is the process called?
Answer and explanation
Correct answer: B. Eutrophication
- Step 1: Nitrates and phosphates feed algal growth.
- Step 2: When the algae die decomposers use up oxygen: eutrophication.
Answer
Eutrophication.
Why not the others: Photosynthesis: this occurs in algae but is not the name. Transpiration: this is a plant process. Fermentation: this is anaerobic respiration.
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