Which of the following characters do not belong to Birds?
Correct answer: B. Presence of gills
- A. Presence of feathers
- B. Presence of gills
- C. Beak
- D. Sternum
Explanation
Gills are not present in birds.Birds are terrestrial and aerial vertebrates that breathe through lungs, not gills. Gills are respiratory organs found in aquatic animals like fishes and amphibian larvae. Since birds lack gills, this feature does not belong to birds, making this the correct answer.
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