Which of the following animals possesses open | vedclass

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Question

(A) The animals belonging to the class $Chondrichthyes$ (cartilaginous fishes),such as sharks,possess gill slits that are separate and not covered by

Vedclass · Accepted Answer

Shark

Vedclass · Answer

(A) The animals belonging to the class $Chondrichthyes$ (cartilaginous fishes),such as sharks,possess gill slits that are separate and not covered by an operculum (gill cover). In contrast,members of the class $Osteichthyes$ (bony fishes),such as $Catla$,$Labeo$,and $Hippocampus$ (seahorse),possess four pairs of gills which are covered by an operculum on each side. Therefore,the shark is the correct answer as it has open gill slits.

Which of the following animals possesses open gill slits?

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