Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
7.8
Points
2.0
Fiction/Nonfiction
Nonfiction
Word Count
10691
Points per Word
0.000187
Page Count
61
Points per Page
0.032787
Description
This book discusses the three kinds of symbiosis: mutalism, commensalism, and parasitism and describes examples of these relationships.