Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
5.9
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
5420
Points per Word
0.000185
Page Count
32
Points per Page
0.03125
Series
Classifying Living Things
Description
This book explains what invertebrates are and how they differ from other animals, with descriptions of various types of invertebrates, including flatworms, roundworms, sponges, and echinoderms.