1. 1. What phylum does your animal fall under?2. What is it meant to have “radial symmetry?”3. Where is the mouth?4. Describe its skeletal system.5. Describe a sea star’s…

Slide 1Lesson 21: MARINE MAMMALS Slide 2 Slide 3 Common characteristics  Marine mammals share the following characteristics:  Give birth to live young  Nurse their…

Slide 1 Whales, Dolphins and Porpoises Whales, dolphins and porpoises are cetaceans (Class Mammalia, Order Cetacea) Of all the marine mammals, cetaceans (and sirenians) have…

Marine Mammals Mammals have a 4 chambered heart. Mammals are warm-blooded. They have hair/fur. Have mammary glands. Give birth to live young. Pinnepeds Ex: Seals, Walruses,…

Marine Mammals Mammals have a 4 chambered heart. Mammals are warm-blooded. They have hair/fur. Have mammary glands. Give birth to live young. Pinnepeds Ex: Seals, Walruses,…