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12-06-2018
Biology

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How do whales differ from fish? Whales use blowholes for breathing. Whales have scales that cover their skin. Whales develop lungs following metamorphosis. Whales fertilize externally.

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12-06-2018

ur ans will be
whales use lungs to breathe they develop it during metamorphosis
fishes have gills

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cr556175 cr556175

12-06-2018

Whales use blowholes for breathing.

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