Narwhals are the only animals with straight tusks. Each tusk is a tooth that grows in a spiral shape. The tusk is softer on the outside and has hard layers on the inside. Human teeth are the opposite. They are hard on the outside and softer on the inside.
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Would you like to travel to the Arctic Ocean to see a narwhal? Why or why not?
Have you read other books about ocean animals? How are those animals similar to or different from narwhals?
Climate change is causing ice to melt in narwhals’ habitats. What other animals could be affected by climate change?
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