Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
5.5
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
6324
Points per Word
0.000158
Page Count
48
Points per Page
0.020833
Description
This book explores the complex and delicate societies and relationships that allow all ecosystems to run smoothly, focusing on how things such as invading aliens and the biomagnification of dangerous chemicals can threaten ecosystems.