EVERYDAY SCIENCE

Detailed explanation-1: -The word “pinniped” means fin-or flipper-footed and refers to the marine mammals that have front and rear flippers. This group includes seals, sea lions and walruses–animals that live in the ocean but are able to come on land for long periods of time. Millions of years ago, the ancestors of pinnipeds lived on land.

Detailed explanation-2: -Seals and sea lions belong to a group of marine mammals called pinnipeds, which means fin or flipper-footed. These animals live in the ocean, but are able to come on land for long periods of time.

Detailed explanation-3: -Seals, sea lions, and walruses belong to a group of marine mammals called pinnipeds, referring to their flippered feet. Seals (true seals or earless seals) have no external ear flaps. In Alaska we have a number of seal species including harbor seals, bearded seals, ribbon seals, ringed seals, and spotted seals.

Detailed explanation-4: -Seals, sea lions, and walruses belong to the scientific order Pinnipedia. These animals have flippers; broad, flat limbs supported by bones. Sea lions are named “eared seals” because they have external ear flaps on the sides of their heads.

Detailed explanation-5: -Pinnipeds. The pinnipeds (from the Latin meaning “fin-footed”) are a group of the marine mammals, which includes the seals, sea lions, and walrus (Fig. 1). Pinnipeds arose from the arctoid (bear, dogs, weasels, etc.) lineage of carnivores.