QUIZ
Six Kingdoms
Domain: Eukarya Kingdom: Animalia Phylum: Chordata Class: Mammalia Order: Family Genus Species
Orders Mammals orders are divided by Monotremes- lays eggs Marsupials- live birth, pouches Placental- live birth
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
What are mammals?
IN CLASS ACTIVITY
Six Key Characteristics of Mammals Endothermy Hair Four chamber heart Single jaw bone Mammary glands Specialized teeth
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)
Animal Diversity Web http://animaldiversity.ummz.umich.edu/site/accounts/information/Mammalia.html
ANY QUESTIONS?
HOMEWORK QUIZ ??? Read p 861-870 p 863 Answer Q. 1-4