1. Mammalian Adaptations

2. MONOTREMES “Egg laying”
Duckbilled Platypus
Anteater
Echidna

3. MARSUPIALS Premature babies develop in pouch
Found in Australia/ New Guinea
Kangaroo
Wallaby

4. MARSUPIALS
Only North American Marsupial
Oppossum

5. PLACENTAL Embryos nourished inside mother by placenta
95% of all mammals are placental
At least 18 orders

6. TEETH Incisors- Chisel like teeth for cutting
Canines- Pointed teeth for puncturing/tearing
Premolars- Shred and grind
Molars- Flat teeth for grinding, crushing

7. Specialized teeth vary with diet

8. Grass eaters have different teeth than carnivores

9. SALIVARY GLANDS DIGESTION starts in the MOUTH Image from:

10. BALEEN
Thin keratin plates that hang from the roof of the mouth and screen food from water
Image from:

11. ECHOLOCATION Bats can fly without eyes, but NOT without ears
Bats emit high frequency sound waves that bounce off objects
Can determine size, distance, direction, speed

12. RUMEN In cud chewers like cows, sheep, goats, giraffes
First chamber of stomach containing bacteria to digest plants
Image from:

13. CECUM In non cud chewers like horses, rabbits, rodents, elephants
Small pouch off small intestine containing bacteria to digest plants

14. Human appendix is vestigial cecum

15. PRIMATES Larger Brain Grasping hand with fingernails instead of claws
2 forward facing eyes
Includes:
Gorillas
Monkeys
Lemurs

16. PRIMATES
Humans are primates too!

17. PINNIPEDS Carnivorous streamlined body flipper limbed Seals Walruses
Sea lions

18. UNGULATES Mammals with Hooves

19. CETACEANS
Includes: whales, dolphins,
porpoises

20. CHIROPTERA
BATS
Only mammals that can fly