Why Do Fish Have Gills?: And Other Questions about Evolution and Classification

by Pat Jacobs

What is a fish? How can you classify fish? Readers will find the answers to these questions and more in this volume. Readers will learn the differences between flatfish, catfish, eels, and more, as they get an up-close look at several fish species. They will learn the ways fish have adapted over millions of years to fit into their environment, including developing a swim bladder and fins. Diagrams and sidebars add additional information to fact-filled...

• Format: Paperback
• Language: English
• ISBN: 1499432062
• ISBN13: 9781499432060
• Release Date: December 2016
• Publisher: PowerKids Press
• Length: 32 Pages
• Weight: 0.30 lbs.
• Dimensions: 0.1" x 8.2" x 10.8"
• Age Range: 8 to 12 years
• Grade Range: Grades 3 to 7