A First Look at Animals With Backbones and A First Look at Animals Without Backbones

by Millicent E. Selsam and Joyce Hunt

There are more than a million different kinds of animals in the world. Only 50,000 of these have backbones, and are called vertebrates. The rest are animals without backbones, called invertebrates.... This description may be from another edition of this product.

• Format: Paperback
• Language: English
• ISBN: 0595291228
• ISBN13: 9780595291229
• Release Date: September 2003
• Publisher: iUniverse
• Length: 68 Pages
• Weight: 0.68 lbs.
• Dimensions: 0.3" x 8.4" x 11.0"