Reading Metrics
Grade Level
Middle Grades (MG 4-8)
Book Level
4.1
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
1994
Points per Word
0.000251
Page Count
32
Points per Page
0.015625
Description
This book examines the various species of animals and plants that make up a backyard ecosystem such as insects, squirrels, and bats, and describes how they compete for resources. The coauthor is Richard Spilsbury.