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Natural ageing of lake due to mineral enrichment is known as
Natural ageing of lake due to mineral enrichment is known as
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The correct option is B eutrophication
Eutrophication is the natural aging of a lake by biological enrichment of its water. In a young lake the water is clear and cold supporting little life. With time, streams draining into the lake introduce nutrients such as nitrogen and phosphorus. These nutrients encourage the growth of aquatic organisms including plants and animals. Their death and decomposition leaves organic deposited on the lake bottom. Over the centuries, as silt and organic debris pile up, the lake grows shallower and warmer, with warm-water organisms supplanting those that used to thrive in a cold environment. Marsh plants begin to grow in the original lake basin eventually converting the lake into large masses of floating plants (bog) and finally into land.
Biomagnification refers to the progressive accumulation of certain compound (usually pollutants) in the tissues of organisms belonging to higher trophic levels.
Stratification refers to the layering present in a habitat. Example, the vertical layering in a forest ecosystem due to different heights of different plants.
Diapause refers to the state of physiological dormancy or suspended development, mostly initiated in insects due to unfavorable conditions.
Eutrophication is the natural aging of a lake by biological enrichment of its water. In a young lake the water is clear and cold supporting little life. With time, streams draining into the lake introduce nutrients such as nitrogen and phosphorus. These nutrients encourage the growth of aquatic organisms including plants and animals. Their death and decomposition leaves organic deposited on the lake bottom. Over the centuries, as silt and organic debris pile up, the lake grows shallower and warmer, with warm-water organisms supplanting those that used to thrive in a cold environment. Marsh plants begin to grow in the original lake basin eventually converting the lake into large masses of floating plants (bog) and finally into land.
Biomagnification refers to the progressive accumulation of certain compound (usually pollutants) in the tissues of organisms belonging to higher trophic levels.
Stratification refers to the layering present in a habitat. Example, the vertical layering in a forest ecosystem due to different heights of different plants.
Diapause refers to the state of physiological dormancy or suspended development, mostly initiated in insects due to unfavorable conditions.
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