Tuna, Trout, Catfish, Cod are examples of which group?

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Multiple Choice

Tuna, Trout, Catfish, Cod are examples of which group?

Explanation:
Skeleton type distinguishes major fish groups: most common fish like tuna, trout, cod, and catfish are bony fishes (osteichthyes), with bones in their skeletons. Sharks belong to cartilaginous fishes, hagfish are jawless, and while lungfish are also bony fishes, tuna serves as a clear, representative example of the bony-fish group among the options. So tuna is the best choice because it directly exemplifies that category.

Skeleton type distinguishes major fish groups: most common fish like tuna, trout, cod, and catfish are bony fishes (osteichthyes), with bones in their skeletons. Sharks belong to cartilaginous fishes, hagfish are jawless, and while lungfish are also bony fishes, tuna serves as a clear, representative example of the bony-fish group among the options. So tuna is the best choice because it directly exemplifies that category.

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