Which of the following are characteristics of a blue whale?
A
It has a four chambered heart.
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B
It has hair on its skin.
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C
It has gills for breathing.
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D
It can survive on both land and water.
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Solution
The correct option is B It has hair on its skin. A whale is a very large animal which lives in water. It's appearance is similar to that of a fish. It uses lungs for breathing and has hair on it's skin. It has a four chambered heart similar to that of humans.