1. Open note quiz: amphibians & reptiles

2. 1. List 2 of the 3 groups of amphibians.
2. From what fish did amphibians most likely evolve?
3. Amphibians have an (exoskeleton, endoskeleton)

3. 4. T/F. Amphibians and reptiles have scales.
5. T/F Amphibians and reptiles are vertebrates.
6. Snakes use their _____________ for picking up scents.

4. 7. Amphibians (do, do not) require water for reproduction.
8. List one trait of a snake that indicates it evolved from lizard ancestors.
9. Adult amphibians and reptiles typically breathe with (lungs, gills).

5. 1. What are Mammals? 2. There are only 5,000 species of mammals
2. Mammals appeared about 200 million years ago
Triassic period -- adaptive radiation during Jurassic….
2.Mammals are believed to have evolved from Reptiles during the late Jurassic period

7. 1. What are mammals? 2. Mammal Characteristics
3. All mammals are endotherms
4. def- Animal that regulates its own body temp.
Reason for high food consumption

8. 1. What are Mammals? 3. All mammals have hair/fur
4. The hair/fur functions to protect skin, provide sensory feedback, and serve as camouflage

9. 1. What are mammals? 3. There are 3 reproductive groups of Mammals
4. Monotremes: Egg laying
4. Marsupials: Fetus develops in a pouch
4. Placentals: Fetus develops in the mothers uterus

11. 1. What are Mammals? 3. All mammals have mammary glands
4. Produce milk to nourish young

12. 1. What are mammals?
3.Mammal brains are more developed and specialized (cephalized) than any other class of animals

13. 1. What are Mammals?
3. Heart has a 4 chambered heart and Diaphragm (muscle) that aids in breathing

14. OPEN note quiz

15. Quiz Mammals 1
1. How many chambers does a mammalian heart have?

16. Quiz
2. (True or False) All mammals have mammary glands.

17. Quiz
3. What kind of animals did mammals evolve from? A. Amphibians B. Reptiles C. Birds

18. Quiz
4. What does it mean to be an endotherm?

19. Quiz 5. Which reproductive group lays eggs? Placental B. Marsupial
C. Monotreme