1. QUIZ

3. Six Kingdoms

4. Domain: Eukarya
Kingdom: Animalia
Phylum: Chordata
Class: Mammalia
Order:
Family
Genus
Species

5. Orders Mammals orders are divided by Monotremes- lays eggs
Marsupials- live birth, pouches
Placental- live birth

6. Mammals Appeared about 300 million years ago About 5,400 species..
Mammals are the dominant life form on this planet
Highly diverse group living in different habitats and climates all over the world

7. What are mammals?

8. IN CLASS ACTIVITY

9. Six Key Characteristics of Mammals
Endothermy
Hair
Four chamber heart
Single jaw bone
Mammary glands
Specialized teeth

10. Mammals Why study mammals? 1. We are mammals
2. Humans rely on mammals for food, companionship
3. Mammals hunted for food, sport -- Economics
4. Models for diseases, drug development
5. Conservation
6. Basic research
7. Effects on humans (e.g., Hantavirus, Lyme disease)

11. Animal Diversity Web

12. ANY QUESTIONS?

13. HOMEWORK
QUIZ ???
Read p
p 863 Answer Q. 1-4