BIO SCI 94 Lecture Notes - Lecture 56: Agnatha, Chondrichthyes, Placodermi

• School: UC-Irvine
• Department: Biological Sciences
• Course: BIO SCI 94
• Professor: Michael Clegg

Document Summary

Use diagrams to illustrate your answer: what gives bone its strength, explain in detail how the pharynx and gill arches gave rise to the formation of jaws. Use diagrams to support your answer: understand the evolution of the head skeleton. How would you tell one apart from a reptile or amphibian skull: know and describe the parts of a typical vertebra. What is the function of a zygapophyes: know the different shapes of the centrum. What is the advantage and disadvantage of each: explain how the spine evolved, start with the notochord found in jawless fish. Lecture study gui d e unit 4: define amruotes. Explain and draw the different types of caudal fins: heterocercal, diphycercal and homocercal. Bone formation (basic: endochondral or replacement, membranous, strength of bone. Skeletal system part ii & iii: vertebral column, structure and development, evolution of the spine, fish, amphibians, reptiles, birds, mammals, cranio-vertebral joint.