Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
5.9
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
4532
Points per Word
0.000221
Page Count
40
Points per Page
0.025
Series
Mission: Science
Description
This book discusses the roles that biomes and ecosystems play in keeping Earth's delicate balance.