Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
6.7
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
2375
Points per Word
0.000211
Page Count
32
Points per Page
0.015625
Description
This book explores how and why plants and animals enter ecosystems to which they are not native, as well as the consequences of these invasions for other animals, plants, and humans.