Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
7.5
Points
2.0
Fiction/Nonfiction
Nonfiction
Word Count
14041
Points per Word
0.000142
Page Count
102
Points per Page
0.019608
Description
This view of evolution brings together research from a variety of scientific disciplines to create a compelling argument that supports what is now called evolution by natural selection.