PPT-Mammals

Learn all about these amazing creatures By Alissa Cattron What Is A Mammal Mammals are animals that have hair are warmblooded and nourish their young with milk Some modernday mammals include people apes dogs mice elephants pandas and many more. 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. . 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. . 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- . 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. . 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. 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. Primates as Mammals. Intelligence. Born Live. Milk at birth. Stage of Learning. Skeletal System. Teeth. Way of Life. Activity Level. Specialized Vision. Primate Intelligence. Brain size larger, specifically in cerebral hemisphere (areas supporting conscious thought). Gregg Thomas. Indiana University. SMBE 2014. Convergent evolution is observed at the phenotypic level. Porcupine. (. Rodentia. ). Echidna. (. Monotremata. ). Hedgehog. (. Erinaceomorpha. ). 2. Predictable Evolution. 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 . 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. .