PPT-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. Vertebrates. 350 m.y.a. vertebrates invaded land. Decendents of bony fish . Land vertebrates had to adapt to harsher conditions on shore. Tetrapods had to develop lungs that allowed for absorption of oxygen directly from air. . 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). The CaseAgainstMarine Mammals in Captivity Invertebrate- have no backbone. Sponges and stinging animals:. Sponges belong to the phylum . Porifera. Classified by the way they eat- . P. orifera. -. filter feeders. Stinging animals- belong the phylum- . By . Terron. Spence, Lucas . Amiro. , Travis Wentzell and . Daramfon. Morgan. Introduction. 21 . different groups . of mammals. Similar . features . Found . in all environments. Evolution. Characteristics. Paleospecies. Richness: Problems and Solutions. Marc A. Carrasco. Dept. of Integrative Biology and the Museum of Paleontology. UC Berkeley. www.ucmp.berkeley.edu/neomap. NEOMAP . Database. Distributed database that combines FAUNMAP I, FAUNMAP II, and MIOMAP. By: Haya Al . Rabban. What are Vertebrates?. Vertebrates are animals that have backbones like Fish, Amphibians, Reptiles, Birds and Mammals . Fish. Fish have slimy bony scales for protection and . They also have gills for breathing. They get thousands of eggs and they don’t worry about the eggs.. By . Ka’Mauri. . and . Elaina. Hedgehogs are mammals. They are nocturnal and can swim fairly well.. Where Hedgehogs Live. . The shading . shows where hedgehogs live. The . darker the . color . the greater the number of species. Introduction. I´m. . going. . to. . talk. . about. :. Mammals. .. What. . they. . eat. .. Their. . body. . covering. .. What. are . they. .. How. . they. reproduce. . AND. HUMAN BEINGS. 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. Gregg Thomas. Indiana University. SMBE 2014. Convergent evolution is observed at the phenotypic level. Porcupine. (. Rodentia. ). Echidna. (. Monotremata. ). Hedgehog. (. Erinaceomorpha. ). 2. Predictable Evolution. 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. Ancestors that dominated the Permian And Early Triassic. “Triassic Takeover”. . - Dominance of dinosaurs may have driven some . therapsids. to a nocturnal, insectivorous lifestyle.. . - this may have selected for hair and .