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Competition, endangered, extinct, hazardous wastes, host, parasite, succession,. Are the words in the book "Mountains of the world". Invite you to consult the text book to grasp the pronunciation and set sentences with the words above. | 9 780328 138692 Genre Comprehension Skill Text Features Science Content Nonfiction Cause and Effect Call Outs Captions Diagrams Glossary Ecosystem Changes Scott Foresman Science 4.4 I PEARSON I I Scott Foresman I scottforesman.com ISBN 0-328-13869-X IIIIIII II .90 0.00 Vocabulary competition endangered extinct hazardous wastes host parasite succession Picture Credits Every effort has been made to secure permission and provide appropriate credit for photographic material. The publisher deeply regrets any omission and pledges to correct errors called to its attention in subsequent editions. Photo locators denoted as follows Top T Center C Bottom B Left L Right R Background Bkgd . 3 TL Digital stock 4 Digital stock 6 R Digital Vision 7 TL Getty Images CL Getty Images 10 T Ron Austing Frank Lane Picture Agency Corbis R Getty Images 11 BL Getty Images 13 B Getty Images 14 T Getty Images 16 Tom Pat Leeson Photo Researchers Inc. 19 Bettmann Corbis 20 Getty Images 21 c Getty Images BL Getty Images 22 Getty Images 23 Alamy Images. Scott Foresman Dorling Kindersley would also like to thank 16 Natural History Museum London DK Images. Unless otherwise acknowledged all photographs are the copyright of Dorling Kindersley a division of Pearson. ISBN 0-328-13869-X Copyright Pearson Education Inc. All Rights Reserved. Printed in the United States of America. This publication is protected by Copyright and permission should be obtained from the publisher prior to any prohibited reproduction storage in a retrieval system or transmission in any form by any means electronic mechanical photocopying recording or likewise. For information regarding permission s write to Permissions Department Scott Foresman 1900 East Lake Avenue Glenview Illinois 60025. 3456789 10 V010 13 12 11 10 09 08 07 06 05 ECOSYSTEM by Donna Latham PEARSON Scott Fbresman Balance on the Trail 2 3 Now look above you. Do you see that huge flock of white pelicans They soar high over the trail until they fly out of sight.