1 / 12

Unit 9 Chapter 32 Mammals

Unit 9 Chapter 32 Mammals. What is a Mammal?. Hair , providing insulation, waterproofing, & camouflage

RexAlvis
Télécharger la présentation

Unit 9 Chapter 32 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. Unit 9Chapter 32Mammals

  2. What is a Mammal? • Hair, providing insulation, waterproofing, & camouflage • Mammary glands, modified sweat glands, to nurse their young

  3. What is a Mammal? • Mammals have well-developed respiration & circulation to maintain high energy needs: • Diaphragm, breathing muscle expands chest to bring in more oxygen • Four-chambered heart

  4. What is a Mammal? • Mammals lifestyle is determined by: • Specialized teeth adapted to the type of food they eat • Specialized limbs adapted to methods of food-gathering

  5. Mammal Classification • Monotremes, egg-layers • Includes duck-billed platypus & spiny anteater

  6. Mammal Classification • Marsupials, pouched mammals • Includes Kangaroo, Koala, Opossum

  7. Mammal Classification • Placentals (90% of all Mammals) • Placenta is an organ that nourishes the young while inside the uterus (womb) • Gestation, period of time young develops in uterus; ensures offspring are protected from predators & environment

  8. Orders of Placental mammals • Artiodactyla (hoofed, with even number of toes) • Carnivora (specialized hunters)

  9. Orders of Placental mammals • Cetacea (adapted to aquatic environment) • Chiroptera (only mammal with true flight)

  10. Orders of Placental mammals • Insectivora (includes world’s smallest mammals) • Lagomorpha (includes some of the fastest runners, with 2 pairs of incisors)

  11. Orders of Placental mammals • Perissodactyla (hoofed,with odd number of toes) • Primates (superior intelligence, opposable thumbs)

  12. Orders of Placental mammals • Proboscidea (trunk-nosed) • Rodentia (largest order, gnawing incisors)

More Related