Translations:Adventist Youth Honors Answer Book/Nature/Marine Mammals/36/en
From Pathfinder Wiki
8. Describe why seals and dolphins can move so quickly in the water.
The seal's flippers are enormously long, and the skin between them forms a web which is used like a paddle to propel the seal along. They have long, sturdy claws on their front flippers which they use to help them move on land, especially when they need to grip onto rocks or ice
