1 / 20

Mammals

Mammals. Chapter 36. Section 1. Five key characteristics Some hair Diverse & specialized teeth Endothermic Mammary Glands placenta. Section 1. Mammals have diverse, specialized teeth Molars Incisors Premolars canine. Section 1. Mammary glands are used for milk production

ora
Download Presentation

Mammals

An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author. Content is provided to you AS IS for your information and personal use only. Download presentation by click this link. While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. During download, if you can't get a presentation, the file might be deleted by the publisher.

E N D

Presentation Transcript

  1. Mammals Chapter 36

  2. Section 1 • Five key characteristics • Some hair • Diverse & specialized teeth • Endothermic • Mammary Glands • placenta

  3. Section 1 • Mammals have diverse, specialized teeth • Molars • Incisors • Premolars • canine

  4. Section 1 • Mammary glands are used for milk production • Weaning is done when baby animal can feed on their own

  5. Section 2 Today’s Mammals • Monotremes • Most primitive • Order of Monotremata • Three living species • Platypus • Two species of Echidna

  6. Marsupials • Include wombats, kangaroos, wallaroos, koalas, and opossums • Are born days or weeks after fertilization and fully develop in a pouch

  7. Placental Mammals • Placenta - allows diffusion of nutrients and oxygen into the fetus • Gestation Period - time when fetus is developing

  8. Today’s Placentals • Rodentia • 40% of placentals • Teeth grow continually and are used for gnawing • Mice, rat, squirrel

  9. Chiroptera • Bats the only mammal capable of flight

  10. Insectivora • Eats insects • Includes the mighty shrew

  11. Carnivora • Eat mostly meat • Include cats, dogs, bears, raccoons

  12. Pinnipedia • Marine carnivores • Have flippers, insulating layer of blubber • Include the walrus

  13. Primates • Monkey, human • Most advanced

  14. Artiodactyla • Are called ungulates with even # of toes • Have a rumen and chew cud • Includes pigs, giraffes, sheep, cattle

  15. Perissocactyla • Ungulates with an odd # of toes • Include horse, zebras, rhino

  16. Cetacea • Live in water • Dolphins, porpoises, whale • have a plow hole used to breath

  17. Lagomorpha • Rabbits and hairs • Teeth grow all the time

  18. Sirenia • Barrel-shaped body • Manatees or called the sea cow

  19. Proboscidea • Elephants the largest on land

  20. 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.

More Related