Bobbie Kalman Crabtree Publishing Company.

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Charlotte Edith Bond
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1 Bobbie Kalman Company

2 Created by Bobbie Kalman Dedicated by Margaret Amy Salter To my beautiful son Aiden you are my world and my everything. Author and Editor-in-Chief Bobbie Kalman Editor Kathy Middleton Proofreader Crystal Sikkens Photo research Bobbie Kalman Crystal Sikkens Design Bobbie Kalman Katherine Berti Samantha Crabtree (logo and front cover) Production coordinator Katherine Berti Library and Archives Canada Cataloguing in Publication Kalman, Bobbie, Tadpoles to frogs / Bobbie Kalman. (It's fun to learn about baby animals) Includes index. ISBN (bound).--isbn (pbk.) 1. Tadpoles--Juvenile literature. 2. Frogs--Development--Juvenile literature. I. Title. II. Series. QL668.E2K j597.8'9139 C Illustrations Katherine Berti: pages 6, 8 (left), 24 (skeleton and lungs) Bonna Rouse: pages 1, 8 (right), 12, 16, 24 (legs and life cycle) Photographs BigStockPhoto.com: pages 4 (bottom), 10 (frogs with eggs), 11 (bottom), 24 (eggs) Dreamstime.com: pages 9 (bottom), 16 (middle) istockphoto.com: front cover (tadpole), pages 5 (top right), 10 (inset), 14 (top), 15 (top), 16 (bottom), 21 (middle right and bottom right), 22 (left), 24 (gills and tadpole) Justin Touchon: page 12 robertmccaw.com: page 17 (top) Shutterstock.com: covers (except tadpole), pages 1, 3, 4 (top), 5 (bottom), 6, 7, 8, 9 (top), 10 (background), 11 (top and background), 13, 14 (bottom), 15 (bottom), 17 (bottom), 18, 19, 20, 21 (top, middle left, and bottom left), 22 (right), 23, 24 (adults, froglets, skin, and tree frog) Library of Congress Cataloging-in-Publication Data Kalman, Bobbie. Tadpoles to frogs / Bobbie Kalman. p. cm. -- (It's fun to learn about baby animals) Includes index. ISBN (pbk. : alk. paper) -- ISBN (reinforced library binding : alk. paper) 1. Tadpoles--Juvenile literature. 2. Frogs--Life cycles--juvenile literature. I. Title. II. Series. QL668.E2K '9139--dc Company Copyright 2009 CRABTREE PUBLISHING COMPANY. All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or be transmitted in any form or by any means, electronic, mechanical, photocopying, recording, or otherwise, without the prior written permission of Crabtree Publishing Company. In Canada: We acknowledge the financial support of the Government of Canada through the Canada Book Fund for our publishing activities. Published in Canada 616 Welland Ave. St. Catharines, Ontario L2M 5V6 Published in the United States PMB Fifth Avenue, 59 th Floor New York, New York Published in the United Kingdom Maritime House Basin Road North, Hove BN41 1WR Published in Australia 386 Mt. Alexander Rd. Ascot Vale (Melbourne) VIC 3032

3 What is in this book? Fantastic frogs! 4 Bones, blood, and skin 6 Frog bodies 8 Big life changes 10 Tree frog eggs 12 Eggs to tadpoles 14 Growing legs 16 Losing their tails 18 A frog s life cycle 20 Are these frogs? 22 Words to know and Index 24

They live the first part of their lives in water.

4 Fantastic frogs! tomato frog There are about 4,000 kinds of frogs. Frogs are animals called amphibians. The word amphibian means two lives. Frogs have two parts to their lives. They live the first part of their lives in water. adult frog frog eggs 6 Baby frogs start their lives as eggs. They change a lot before they become adult frogs. Adult frogs are fully grown. These eggs are in water. What will happen to them next?

When frogs are fully grown, they live mainly on land.

tree frog This frog lives on land near a pond.

5 When frogs are fully grown, they live mainly on land. Some frogs live close to the ground. Other frogs live in trees. Frogs that live in trees are called tree frogs. tree frog This frog lives on land near a pond. Frogs need water to keep their skin wet. This Amazon leaf frog lives in trees. Its body is made for climbing. 7

Bones, blood, and skin Frogs are animals called

skeleton backbone Frogs are cold-blooded.

6 Bones, blood, and skin Frogs are animals called vertebrates. Vertebrates have backbones and other bones inside their bodies. All their bones make up a skeleton. skeleton backbone Frogs are cold-blooded. They cannot warm or cool their bodies from the inside. They warm up in the sun. They cool off in water. 6

LIVE IT: KYLIE BURNS. Crabtree Publishing Company

LIVE IT: KYLIE BURNS. Crabtree Publishing Company LIVE IT: KYLIE BURNS Company www.crabtreebooks.com Author: Kylie Burns Coordinating editor: Bonnie Dobkin Publishing plan research and development: Sean Charlebois, Reagan Miller Company Editor: Reagan