Skin: The skin of seals is smooth and has a layer of fur that helps reduce drag in water.
Body Shape: Seals have a streamlined body shape, with tapered ends that reduce water resistance and allow them to move efficiently through the water.
Flippers: Seals have flippers, which are modified limbs that are streamlined and help them propel themselves through the water.
Flexibility: Seals have flexible bodies, which allow them to maneuver and change direction quickly in water.
Whiskers: Some seals have whiskers, which help them sense movement and vibrations in the water, aiding in navigation and prey detection.