In which of the following are air bladders fo | vedclass

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Question

(A) Air bladders (also known as swim bladders) are gas-filled organs that help fish maintain buoyancy. They are a characteristic feature of $Osteichth

Vedclass · Accepted Answer

Osteichthyes

Vedclass · Answer

(A) Air bladders (also known as swim bladders) are gas-filled organs that help fish maintain buoyancy. They are a characteristic feature of $Osteichthyes$ (bony fishes). $Chondrichthyes$ (cartilaginous fishes) lack air bladders,which is why they must swim constantly to avoid sinking. $Echinoderms$ are invertebrates and do not possess air bladders. Therefore,the correct option is $A$.

In which of the following are air bladders found?

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