A. Whales use blowholes for breathing.
Explanation:
Whales are different from fishes because they used blow holes for breathing.
- Breathing is an important process in cellular respiration as it brings oxygen into the cell.
- Fishes have gills for breathing and it helps them absorbed dissolved oxygen inside water for their own use.
- Whales posses blowholes.
- The blowholes are connect to their lungs which they use in gaseous exchange.
- Whales are mammals.
- Through the blowhole gases can escape and be brought in contact with the blood stream.
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