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Respiratory System of Scoliodon 🦈Scoliodon is an aquatic animal. 🦈It depends completely upon oxygen dissolved in sea water for respiratio... -
Penaeus Phylum: Arthropoda, Subphylum: Mandibulata, Class: Crustacea Penaeusis a genus of prawn under the class Crustacea. It has ... -
1. Grey crescent is a crescent-like and grey coloured area developing on the surface of amphibian egg opposite to thepoint of sperm entry....