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Ammonia is the chief excretory substance in
Ammonia is the chief excretory substance in
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Solution
The correct option is D Fresh water fishes
Ammonotelic organisms are those, which eliminate their nitrogenous metabolic wastes mainly as ammonia. Ammonia is constantly produced in the organisms by the deamination of amino acids and it is highly toxic if retained in the system. So it must be immediately removed from the body as soon as it is formed. Elimination of ammonia requires large amounts of water. This can be done only in aquatic forms of life. In aquatic animals (like aquatic invertebrates, body fishes and aquatic amphibians etc.,), it is quickly eliminated in the surrounding water because it is highly soluble.
Ammonotelic organisms are those, which eliminate their nitrogenous metabolic wastes mainly as ammonia. Ammonia is constantly produced in the organisms by the deamination of amino acids and it is highly toxic if retained in the system. So it must be immediately removed from the body as soon as it is formed. Elimination of ammonia requires large amounts of water. This can be done only in aquatic forms of life. In aquatic animals (like aquatic invertebrates, body fishes and aquatic amphibians etc.,), it is quickly eliminated in the surrounding water because it is highly soluble.
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