NEET BIOLOGY

ECOLOGY

ECOSYSTEM

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is the difference between oligotrophic and eutrophic lakes?
A
Eutrophic lakes are low in nutrients.
B
Oligotrophic lakes are low in nutrients
C
Oligotrophic lakes support diverse life.
D
Eutrophic lakes usually are found at higher altitudes.
Explanation: 

Detailed explanation-1: -Oligotrophic lakes carry low levels of nutrients; have lower productivity and clear water. Eutrophic lakes which carry large amounts of nutrients, have high productivity and carry dark water.

Detailed explanation-2: -Eutrophic Lakes have high levels of biological productivity and this lake support an abundance of plants due to the rich nutrient constitution, especially nitrogen and phosphorus.

Detailed explanation-3: -Oligotrophic lakes are generally very clear, deep, and cold. The lake substrate is typically firm and sandy. Nutrient levels are low, so the lake generally does not support large populations of aquatic plants, animals, or algae.

Detailed explanation-4: -An oligotrophic lake is a lake with low primary productivity, as a result of low nutrient content. These lakes have low algal production, and consequently, often have very clear waters, with high drinking-water quality.

Detailed explanation-5: -Summary of Oligotrophic Vs. Eutrophic. Both eutrophic and oligotrophic are terms that are used to describe water bodies, particularly lakes and dams. Oligotrophic lakes have fewer nutrients than eutrophic lakes which mean that primary productivity is lower, but water clarity and oxygenation is better.

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