Which of the following fishes contained lungs?
Correct answer: D. Dipnoi
- A. Lamprey
- B. Perch
- C. Plaice
- D. Dipnoi
Explanation
Dipnoi are lungfishes, named for their functional lungs that allow them to breathe atmospheric air, especially when water oxygen is low. Lampreys, perch, and plaice primarily use gills and are not lungfishes. The likely trap is a because lampreys are unusual jawless fishes, but they do not possess lungs.
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