Name the animal, which exhibits the phenomenon of bioluminescence. Mention the phylum to which it belongs.
Pleurobrachia and Ctenoplana exhibit the phenomenon of bioluminescence. They belong to the phylum Ctenophora
Differentiate between Open and Closed circulatory system
Differentiate between Oviparity and viviparity
Differentiate betweenDirect and Indirect development
Differentiate between :Acoelomate and Pseudocoelomate
Differentiate between Polyp and Medusa
Differentiate betweenChondrichthyes and Osteichthyes
Mention two similarities between a. Aves and mammalsb. Frog and crocodilec. Turtle and pila
Name A limbless animal
Name A cold-blooded animal
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