Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
6.7
Points
1.0
Fiction/Nonfiction
Nonfiction
Word Count
5537
Points per Word
0.000181
Page Count
32
Points per Page
0.03125
Series
Life Processes
Description
This book explains how organisms have developed special features that help them survive in their surroundings. It describes the process of adaptation.