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B
Ammonotelic
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C
Ureotelic
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D
Uricotelic
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Solution
The correct option is A Aminotelic Certain invertebrates like some molluscs (Unio, Limnaea, etc.) and some echinoderms (e.g., Asterias) excrete excess amino acids as such. These animals are called aminotelic and their mode of excretion is called aminotelism.