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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 tran- scription 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
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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
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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
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Whales The blue whale eats tiny krill. The whale takes a mouthful of water. Then it squirts the water out through a filter in its mouth. The filter keeps the krill inside while the water goes out. Finally, when the water is gone, the whale swallows the krill. 4
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Humpback whales also eat krill. They are famous for their singing. Humpback whales grunt, squeak, click, and whistle. People call these sounds whale songs. You can hear these songs from miles away. 5
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Sperm whales do not eat krill. They eat big fish and squid. To find giant squid, sperm whales dive very deep. They go down almost two miles and stay underwater for almost two hours. 6
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Penguins The Emperor penguin is the biggest Antarctic penguin. It can be more than three and a half feet tall and can weigh 65 pounds. Its webbed feet help it swim, and waterproof feathers keep it dry and warm. Otherwise, it might die in the cold water. 7
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Seals Weddell seals can be more than ten feet long. They eat fish, squid, octopus, and krill. When they swim, they steer with their flippers. When they hunt, they dive more than 2,000 feet and stay underwater for more than an hour. 8
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Leopard seals have spots and sharp teeth. They sometimes eat penguins. A leopard seal might catch a junior penguin as the young bird is learning to swim. 9
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Southern elephant seals spend a lot of time in the water. They dive deep to hunt for fish and sea animals. Their slippery skin helps them move easily. Many special animals live in Antarctica. 10
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Responding TARGET VOCABULARY Word Builder What animals or things use steering? Copy the chart. Write the name and how it is steered. Animal or thing How it is steered fi sh fi ns and tail ? ? Write About It Text to World This story showed you some animals that live in the Antarctic and swim in the water. Write a few sentences about how these animals steer when they swim. 11
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TARGET VOCABULARY finally steer junior waterproof otherwise webbed slippery whistle TARGET STRATEGY Infer/Predict Use text clues to figure out important ideas. Which vocabulary word means the opposite of “first of all”? 12
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Level: L DRA: 24 Science Strategy: Monitor/Clarify Word Count: 328 2.5.21 Build Vocabulary HOUGHTON MIFFLIN Online Leveled Books 1033089
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