A fish is characterised by the presence of | vedclass

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(D) Fishes are aquatic organisms belonging to the superclass $Pisces$.They are characterized by several key features:$1$. Dermal scales: Most fishes p

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All the above

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(D) Fishes are aquatic organisms belonging to the superclass $Pisces$.They are characterized by several key features:$1$. Dermal scales: Most fishes possess an exoskeleton made of scales (placoid, cycloid, ctenoid, or ganoid) derived from the dermis.$2$. Paired fins: Fishes use paired fins (pectoral and pelvic) for locomotion, balance, and steering in water.$3$. Pharyngeal gills: Respiration occurs through gills, which are supported by pharyngeal arches.Since all these features are characteristic of fishes, the correct option is $D$.

Column-$I$	Column-$II$
$(a)$ Two-chambered	$(i)$ Peacock
$(b)$ Three-chambered	$(ii)$ Labeo
$(c)$ Incomplete four-chambered	$(iii)$ Ichthyophis
$(d)$ Four-chambered	$(iv)$ Lizard

$A$ fish is characterised by the presence of

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