Source of Corrupt English in Tertiary Institution: Problems and Prospect

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UNIVERSITY OF NIGERIA, NSUKKA DEPARTMENT OF ZOOLOGY ZOO 401: (SEMINAR) TOPIC: AVIAN WINGS BY CHIKWE SANDRA CHISOM REG. NO: 2010/175250 Being an undergraduate seminar delivered to the staff and students of the department of Zoology, UNN in partial fulfillment of the requirement for the Bachelor of Science (B.Sc) Degree in Combined Biological Sciences. SEMINAR SUPERVISOR: DR. I.C OKOYE JANUARY, 2014. TITLE PAGE AVIAN WINGS DEDICATION This work is dedicated firstly to the Holy Spirit who gave me the knowledge, inspiration and ability to write this work. I am grateful to my parents Mr. & Mrs. Chikwe for their financial support they gave to me. I am also indebted to my friends Peace, Chinenye, Prince, Anne and Ugo who always help me out in one way or the other during the course of writing this seminar. God bless you all abundantly. ACKNOWLEDGMENT My profound gratitude goes to my lecturer and seminar coordinator Dr. C.I Atama for imparting the knowledge into me. I am especially thankful to my wonderful seminar supervisor Dr. I.C Okoye for assisting me throughout my seminar work not forgetting my head of department Dr. Ivoke .N. for teaching me how to go about my seminar. Abstracts Wings are among the characteristics that distinguish the extant Aves from other living groups. The shape of an Avian wing is related to the kind of flying it does. Short, rounded wings allow rapid maneuvers, like the movements of a fighter plane. Long narrow wings are best for soaring, like the movement of a glider..Birds that fly have powerful flight muscles attached to a breastbone called a “keel.” These muscles move the wings. The shape of the wing is an important factor in determining the types of flight of which the bird is capable. Different shapes correspond to different trade-offs between beneficial characteristics, such as

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