PPT-Mammals

Chapter 34 What is a mammal Endothermic vertebrate Amniotic egg Four chambered heart Synapomorphies of Mammalia Mammary glands Hair inner ear bones Neocortex region of brain Single . 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). 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 . 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. 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. . 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. . Marine Vertebrates:. Mammals. Marine Mammals. Carnivora. Sea otters, polar bears. Pinnipeds. Seals, sea lions, walruses. Sirenians. Manatees, . dugongs (sea cows). Cetaceans. Porpoises, dolphins, whales. 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.