Butterflies, Bugs, and Worms
Subtitle: Biology Facts and Experiments (Young Discoverers)
Publisher: Tandem Library
Published: April 2002
Language: eng
Format: Hardcover
ISBN-13: 9780613963800
Subjects: Juvenile Nonfiction; Nature - General; Science & Nature - General; Science & Technology - General; Children's 4-8 - Science; Children's Books/Ages 4-8 Nonfiction
First sentence: Because there are so many kinds of animals, zoologists begin by dividing them into two groups: animals with a backbone (vertebrates) and animals without a backbone (invertebrates).