PPT-Lecture 3 – Mammalian Diversity: Mesozoic Mammals &

Monotremes Luo et al 2002 Node labeled 1 indicates our stable clade based definition of Mammalia This is the commonly used crown clade definition Luo et al 2002 Well look first at the . Basic characteristics . Warm . blooded. Have a backbone. Have hair or fur on their bodies. Breathe in oxygen and breathe out carbon . dioxide. Have live babies- do not lay eggs!. Feed babies with milk from their . Class Mammalia . Phylum . Chordata. . 1. . Hair or fur. :. a. keratinized derivative of the skin. b. uniquely mammalian. c. hair coat also called a . pelage.. kinds . of hair: . guard hairs. . ,function. Kingdom. Animalia. Phylum. Chordata. Class. Mammalia. Order. Characteristics of ALL mammals:. Hair. Young develop in uterus (except . . monotremes. )viviparous. 3. Young . nourished by milk . from. . Chapter 16. Birds. Birds belong to the class Aves.. Aves comes from the Latin word for bird. .. First appeared on Earth 150 million years . ago. Section 1. Bird Characteristics. S. hare some characteristics with reptiles. Chapter 14 Lesson 3. 248 mya to 65 mya. Dinosaurs roam the Earth. Tremendous plate movement occurs breaking Pangaea up. The Mesozoic Era. Beginning of Mesozoic all land was joined as the Supercontinent Pangaea. Marko Manojlovic. UC Santa Cruz. Brachiopods vs Bivalves. “. Every zoologist acknowledges the inferiority of the . Bryozoa. and the Brachiopods when compared with the . [. B. ivalves. ]….Now if any fact is well established in . The Mesozoic Era. Geologic and Tectonic History of the . North American Cordilleran. Major Concepts. The geologic history of Cordilleran . Orogen. of North America during the Mesozoic Era was dominated . The Geologic Column. Eonothem. Erathems. Systems. Eonothem. Erathems. Systems. Eon. Era. Periods. Chronostratigraphic. Geochronologic. Two Sets of Terminology. Precambrian. Phanerozoic. Eonothem. Primates as Mammals. Intelligence. Born Live. Milk at birth. Stage of Learning. Skeletal System. Teeth. Way of Life. Activity Level. Specialized Vision. Primate Intelligence. Brain size larger, specifically in cerebral hemisphere (areas supporting conscious thought). 1Justin LehmanField MammalogyItasca Biological Station Summer 2009AbstractWe examined the difference in diversity between prairie and forestedhabitats Natural prairies have been in a steady decline s Gregg Thomas. Indiana University. SMBE 2014. Convergent evolution is observed at the phenotypic level. Porcupine. (. Rodentia. ). Echidna. (. Monotremata. ). Hedgehog. (. Erinaceomorpha. ). 2. Predictable Evolution. MONETREMES. MARSUPIALS. PLACENTAL MAMMALS.. REPRODUCTIVE SYSTEM OF MAMMALS. MONETREMES MARSUPIALS PLACENTAL MAMMALS by MRS OZEMOKA H.J. is licensed under a . Creative Commons Attribution-. NonCommercial. Characteristics of mammals. Characteristics of mammals. All mammals have the following in common:. 1. Are . endothermic . 2. Hair. 3. Specialized . teeth. 4. PARENTAL CARE- Females . produce milk in . Ancestors that dominated the Permian And Early Triassic. “Triassic Takeover”. . - Dominance of dinosaurs may have driven some . therapsids. to a nocturnal, insectivorous lifestyle.. . - this may have selected for hair and .