We do not clean ponds or lakes, but an a | Class 10 Science Chapter Our Environment, Our Environment NCERT Solutions

Question:

We do not clean ponds or lakes, but an aquarium needs to be cleaned. Why?

Answer:

An aquarium is a manmade or artificial ecosystem whereas ponds and lakes are natural ecosystems. An aquarium is a closed artificial ecosystem which needs proper care and proper cleaning at regular intervals because the waste generated by the fishes mixes with water and remains untreated due to lack of decomposers. Thus the waste accumulates in the water and provides toxicity which is harmful for the fishes.

Ponds and lakes need not be cleaned as they are the open and natural ecosystem. They contain decomposers to clean the waste generated in the water of all aquatic bodies.


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Welcome to the NCERT Solutions for Class 10 Science - Chapter . This page offers a step-by-step solution to the specific question from Excercise 0 , Question 30: We do not clean ponds or lakes, but an aquarium needs to be cleaned. Why?....