Bio 2 Exam 2 Study Guide

Bio 2 Exam 2 Study Guide - Chapter 34-Birds and...

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(beginning of Lecture 12) Material we didn’t finish covering for the last exam What are the major groups? What are the major characteristics of each group? Primate evolution and the rise of humans (James Loudon material) Chapter 41—Animal Nutrition Section 41.2—What are the essential materials needed by most organisms? o Why do we eat? Nutritional requirements of animals o Amino acids, fatty acids, vitamins, minerals o Don’t worry about memorizing Tables 41.1 and 41.2 o What can go wrong with improper nutrition? Digestive system—structure and function o From the burger to the bowl… o 4 stages of food processing (ingestion, digestion, absorption, elimination). Do not worry about details on variation among animals in alimentary canals (Fig. 41.14) o How does the small intestine increase its surface area? o What is the role of the parasympathetic nervous sytem? b Know the process for activating pepsin b Know what shuts it down (endproduct inhibition) b Understand positive feedback o What organs are involved in each of these tasks? Do not worry about details of Fig. 41.17, Fig. 41.20, Fig. 41.22, Fig. 41.24. o What digestive enzymes are secreted by which organs? b Know the enzymes of the pancreas, etc. (in the level of detail shown in lecture) Why would organisms be coprophagic? Chapter 42—Circulation and Gas Exchange Circulation Types of circulatory systems (diffusion, open circulatory system, closed circulatory system), vertebrate circulatory systems (Fig. 42.4, except reptiles) o When is diffusion by itself “good enough”? [note that this theme comes up again and again] o What are the benefits/costs of each system? Parts of the circulatory system o Heart (parts, flow of blood, how it works). o Know the path of blood flow through the body o What is systole and diastole? Know 42.7 and the “lub-dub” cycle of the heart o Know the ventricles and atria (what kind of blood occurs in the right ventricle?) b Don’t worry about the valves o How do physical principles govern blood flow (42.3)? o
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This note was uploaded on 04/16/2008 for the course EBIO 1220 taught by Professor Demig-addams during the Spring '07 term at Colorado.

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Bio 2 Exam 2 Study Guide - Chapter 34-Birds and...

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