1. Animals
Vertebrates

2. Vertebrates Five Classes Endoskeleton Notochord Support Protect
Attachment
Notochord

3. Five Classes
Fish
Amphibians
Reptiles
Birds
Mammals

4. Fish Live in water Most cold-blooded Most have scales Gills
Three classes
Jawless
Cartilage
Bony
PHIL
FRED

5. Amphibians Land and Water Moist/Smooth skin Cold-blooded
Mucus and Poison Glands
Three types
Frog and toads
Salamanders
Caecilians (si sil’ yans)

6. Reptiles Cold-blooded Thick, dry, waterproof skin Covered with scales
Molts
Four orders
Turtles
Alligators and Crocodiles
Lizards and Snakes
Tuataras (tu’ a ta’ raz)

7. Birds Warm-blooded Wings, beaks, two legs, and feathers Hollow bones
Lay hard-shelled eggs (incubation)
Most fly

8. Mammals YOU!! Warm-blooded Hair Mammary, oil, and sweat Glands
Specialized teeth
Well-developed body systems
Three kinds
Monotremes
Marsupials
Placental