PPT-Marine Mammals

General Info Evolved from reptiles Now 4500 species Endothermic Warmblooded Skin has hair Very large brain very complex Adaptable can live anywhere there is air to breathe and food to eat. What is a Mammal?. Mammals have a 4 chambered heart.. Mammals are warm-blooded.. They have hair/fur.. Have mammary glands.. Give birth to live young.. Pinnepeds. Pinnepeds are. . marine mammals that have flippers and blubber, that need to breed on land. . Monotremes. Luo. et al. (2002).. Node labeled 1 indicates our (stable) . clade. -based definition of . Mammalia. .. This is the commonly used crown-. clade. definition.. Luo. et al. (2002).. We’ll look first at the . Chapter 4, Module 3. 1. Marine Mammal Protection Act of 1972. Learning Objective: The student will become familiar with marine mammals, USFWS and NOAA jurisdiction and compliance options for the Marine Mammal Protection Act.. Basic characteristics . Warm . blooded. Have a backbone. Have hair or fur on their bodies. Breathe in oxygen and breathe out carbon . dioxide. Have live babies- do not lay eggs!. Feed babies with milk from their . Class Mammalia . Phylum . Chordata. . 1. . Hair or fur. :. a. keratinized derivative of the skin. b. uniquely mammalian. c. hair coat also called a . pelage.. kinds . of hair: . guard hairs. . ,function. Kingdom. Animalia. Phylum. Chordata. Class. Mammalia. Order. Characteristics of ALL mammals:. Hair. Young develop in uterus (except . . monotremes. )viviparous. 3. Young . nourished by milk . from. . What does good note taking and rewriting look like?. Dugongs,. or sea cows as they are sometimes called, are marine mammals. . They can grow to about three metres in length and weigh as much as 400 kilograms. They are the only marine mammals in Australia that live mainly on plants. The name sea cow refers to the fact that they graze on the seagrasses, which form meadows in sheltered coastal waters.. Integument & Derivatives. Skin is thicker than other vertebrates. Epidermis – thinner, protected by hair. Dermis – thicker. Glands. Sweat Glands. Eccrine glands. Secrete a watery fluid, draws heat away when evaporated . Birds. Birds belong to the class Aves.. Aves comes from the Latin word for bird. .. First appeared on Earth 150 million years . ago. Section 1. Bird Characteristics. S. hare some characteristics with reptiles. Jackie Rainer. The Issue. SONAR is dangerous to the health and well-being of marine mammals. The Navy should refrain from using it where mammals are known to congregate.. Marine Mammals. 128 species. Quality Marine Safety Equipment Supplier in UAE is an essential and although the initial cost may seem prohibitive, there is no substitute for having reliable and quality equipment when you need it most. Beurex Trading is Marine Safety Equipment Products Suppliers Companies in Dubai, UAE & Saudi Arabia. We offer best quality Marine Equipment, Marine Portable & Fixed Radios, Marine & Offshore Safety Products Suppliers. Contact us now! MONETREMES. MARSUPIALS. PLACENTAL MAMMALS.. REPRODUCTIVE SYSTEM OF MAMMALS. MONETREMES MARSUPIALS PLACENTAL MAMMALS by MRS OZEMOKA H.J. is licensed under a . Creative Commons Attribution-. NonCommercial. One type of animal that made a successful and complete transition from land to water in the course of its evolution is the whale. .. . The According to the fossil record, about 50 million years ago some terrestrial mammals began to make the transition from a life on land to a life in the sea. .