Vertebrates
Section 12.6 Mammals. The Rise of Mammals The ancestor of modern mammals appear to have been reptiles called therapsids which lived 240 million years.
1 Yo! Check out my appendicular skeleton. 2 Labs 14 and 15 Lab 14: Pectoral Girdle and Upper Limb Lab 15: Pelvic Girdle and Lower Limb Question: How are.
1 Vertebrate Movement to Land SZ2- Students will explain evolutionary history of animals over the history of life on earth. Tetrapods- Animals with 4 limbs.
Vertebrate Movement to Land
Chapter 10: Evolution
Phyla Hemicordata and Chordata
