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Leona [35]
3 years ago
7

narwhals are aquatic mammals known for the giant tusk that protrudes from their upper lip. these mammals live in arctic waters a

nd can spend more than three hours at a time underwater at great depths that would crush other animals. the narwhals ability to endure such long underwater dives is an example of a(n)
Biology
1 answer:
sveta [45]3 years ago
7 0
Adaptation I believe, I found a website that said the same thing. :)                                                     
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