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Mammals - Mammals Mammals Chapter 36 Section 1 Section Five...

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Unformatted text preview: Mammals Mammals Chapter 36 Section 1 Section Five key Five characteristics characteristics Some hair Diverse & specialized Diverse teeth teeth Endothermic Mammary Glands placenta Section 1 Section Mammals have Mammals 1. 2. 3. 4. diverse, specialized teeth teeth Molars Incisors Premolars canine Section 1 Section Mammary glands are Mammary used for milk production production Weaning is done Weaning when baby animal can feed on their own can Section 2 Today’s Mammals Section 1. 2. Monotremes Most primitive Order of Order Monotremata Monotremata 3. Three living species a. Platypus b. Two species of Echidna Echidna Marsupials Marsupials Include wombats, kangaroos, wallaroos, Include koalas, and opossums koalas, Are born days or weeks after fertilization Are and fully develop in a pouch and Placental Mammals Placental Placenta - allows diffusion of nutrients and Placenta oxygen into the fetus oxygen Gestation Period - time when fetus is Gestation developing developing Today’s Placentals Today’s Rodentia 40% of placentals Teeth grow Teeth continually and are used for gnawing used Mice, rat, squirrel Chiroptera Bats the only Bats mammal capable of flight flight Insectivora Eats insects Includes the mighty shrew Carnivora Eat mostly meat Include cats, dogs, Include bears, raccoons bears, Pinnipedia Marine carnivores Have flippers, insulating layer of blubber Include the walrus Primates Monkey, human Most advanced Artiodactyla Are called ungulates Are with even # of toes with Have a rumen and Have chew cud chew Includes pigs, Includes giraffes, sheep, cattle giraffes, Perissocactyla Ungulates with an Ungulates odd # of toes odd Include horse, zebras, Include rhino rhino Cetacea Live in water Dolphins, porpoises, Dolphins, whale whale have a plow hole have used to breath used Lagomorpha Rabbits and hairs Teeth grow all the Teeth time time Sirenia Barrel-shaped body Manatees or called the sea cow Proboscidea Elephants the largest Elephants on land on This powerpoint was kindly donated to www.worldofteaching.com http://www.worldofteaching.com is home to over a thousand powerpoints submitted by teachers. This is a completely free site and requires no registration. Please visit and I hope it will help in your teaching. ...
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