What is a Whale?

出版者:Crabtree Pub Co

作者:Kalman, Bobbie/ Levigne, Heather

页数:32

出版时间:1999-10

价格:$ 8.98

装帧:Pap

isbn号码:9780865059535

The Science of Living Things series helps children understand that they are as connected to trees, rocks, and weather as the animals that live outdoors This important series helps define the basic concept of life and investigates the incredible world of living things. Each book explores a basic scientific concept or animal using: -- easy-to-understand text-- clearly labeled diagrams-- exciting, full-color photographsWhales are the only mammals that spend their entire life in the water. From playful dolphins to enormous blue whales, the behavior, habitats, and physiology of these amazing marine mammals are explored in What is a Whale? Spectacular full-color photos help show: -- flukes, flippers, and fins-- the whale family tree-- baleen and toothed whales-- how whales communicate through echolocation-- watery homes and what they eat-- baby whales-- whale-watching and why whales are in danger