Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
6.3
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
3371
Points per Word
0.000297
Page Count
32
Points per Page
0.03125
Description
This book looks at the changing nature of life on Earth, from the basic structure of living things to the way in which species communicate, adapt, and survive within a changing world.