Module 4: Marine Mammals 1.Polar bears 2.Seals, walrus, sea lions 3.Toothed whales (beluga, narwhal, killer whales, etc.) 4.Baleen whales (humpback, bowhead,
Marine Mammals B.Order Pinnipedia Evolved from terrestrial carnivores Predators - Fishes, squids Streamlined bodies Blubber layer under skin Inhibit loss.
Module 4: Marine Mammals