Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
6.0
Points
2.0
Fiction/Nonfiction
Nonfiction
Word Count
11526
Points per Word
0.000174
Page Count
64
Points per Page
0.03125
Series
Our Living World
Description
The basic patterns of biological life are examined in this look at birds' behavior and biological functions.