Level: L DRA: 24 Science Strategy: Monitor/Clarify Word Count: 328 2.5.21 Build Vocabulary by Erik Barneveld HOUGHTON MIFFLIN Online Leveled Books 1033089 H O UG H T O N M IF F L IN by Erik Barneveld PHOTOGRAPHY CREDITS: Cover © David Tipling/Getty Images. 1 Doug Allan/Getty Images. 2 Natphotos/Getty Images. 3 David Tipling/Getty Images. 4 © D. Fleetham/OSF/Animals Animals - Earth Scenes. 5 © D. Fleetham/OSF/Animals Animals - Earth Scenes. 6 Thomas Haider/Jupiter Images. 7 David Tipling/Getty Images. 8 Doug Allan/Getty Images. 9 Frans Lanting/Minden Pictures. 10 Steve Bloom Images/Alamy. Copyright © by Houghton Mifflin Company. All rights reserved. No part of this work may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopying or recording, or by any information storage or retrieval system without the prior written permission of the copyright owner unless such copying is expressly permitted by federal copyright law. With the exception of nonprofit transcription into Braille, Houghton Mifflin is not authorized to grant permission for further uses of this work. Permission must be obtained from the individual copyright owner as identified herein. Address requests for permission to make copies of Houghton Mifflin material to School Permissions, Houghton Mifflin Company, 222 Berkeley Street, Boston, MA 02116. Printed in China ISBN-13: 978-0-547-02955-9 ISBN-10: 0-547-02955-1 1 2 3 4 5 6 7 8 9 SDP 15 14 13 12 11 10 09 08 2_029559_VR5_1BL_AntarcticAnimal1 1 1/23/08 4:20:36 PM Antarctica Antarctica is a cold place. It has a blanket of ice that is more than a mile thick. Many animals live in Antarctica. These special animals can survive in the cold climate. 2 2_029559_VR5_1BL_AntarcticAnimal2 2 1/23/08 4:20:59 PM Krill Many sea animals in the Antarctic eat krill. Krill are tiny pink animals that look like shrimp. They swim in big groups called clouds. Big clouds of krill can make the water look pink. 3 2_02955