PPT-Chemical Control in Mammals

Understand the principles of mammalian hormone production by endocrine glands and their mode of action involving receptors on target cells Know that there are two main modes of action in hormones. 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. . Learn all about these amazing creatures.. By: Alissa Cattron. What Is A Mammal?. Mammals are animals that have hair, are warm-blooded, and nourish their young with milk.. Some modern-day mammals include people, apes, dogs, mice, elephants, pandas, and many more.. Pages 557 - 573. Mammalia is one of the smallest classes under . K. ingdom Animalia. However, it contains most of what we call “animals” today. Mammalia also contains humans. There are 26 orders under Class Mammalia (12 are under placental mammals). 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. Unit 3. Mammal classification. Mammals are one of the classes of vertebrates. All mammals share a series of common characteristics. Internal body temperature control. Mammary glands. Live birth (few exceptions). Biology. Copyright Pearson Prentice Hall. 32-2 Diversity of Mammals. Copyright Pearson Prentice Hall. Diversity of Mammals. The class Mammalia contains about 4500 species.. Tooth structure and the number and kind of bones in the head are used to classify mammals. . Chapter 16. 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. h. afsascreativecorner.weebly.com. The Grizzly bear is sometimes called the Silvertip . bear.. They are powerful predators and are . mammals.. Introduction. Grizzly . bears can be found in woodlands, forests, alpine meadows and prairies. In many habitats they prefer . Introduction. I´m. . going. . to. . talk. . about. :. Mammals. .. What. . they. . eat. .. Their. . body. . covering. .. What. are . they. .. How. . they. reproduce. . AND. HUMAN BEINGS. Skin is thick and protective and has an insulating covering of hair. Adaptations of teeth which are specialized and the digestive tract allows for a variety of food resources. Efficient circulatory and gas exchange systems support endothermy (having a body temp determined by heat derived from the animal’s own metabolism). 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 . Gregg Thomas. Indiana University. SMBE 2014. Convergent evolution is observed at the phenotypic level. Porcupine. (. Rodentia. ). Echidna. (. Monotremata. ). Hedgehog. (. Erinaceomorpha. ). 2. Predictable Evolution. Characteristics of mammals. Characteristics of mammals. All mammals have the following in common:. 1. Are . endothermic . 2. Hair. 3. Specialized . teeth. 4. PARENTAL CARE- Females . produce milk in . 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. .