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Question
An oligotrophic lake is characterised by ______.
Options
great changes in water level
long food chains
low nutrient contents and little life
high nutrient levels and abundant flora and fauna
MCQ
Fill in the Blanks
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Solution
An oligotrophic lake is characterised by low nutrient contents and little life.
Explanation:
These lakes have low organic matter productivity due to nutrient scarcity. As a result, they support less flora and fauna than nutrient-rich water bodies. The limited nutrients limit biological activity and aquatic life in such lakes, making them less biologically productive overall.
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