Reading Metrics
Grade Level
Lower Grades (LG K-3)
Book Level
4.5
Points
0.5
Fiction/Nonfiction
Nonfiction
Word Count
2689
Points per Word
0.000186
Description
How do we protect ourselves from diseases? How do animals protect themselves from predators. Humans and animals need strong defences to keep safe. Project X Origins. Level 11. Book Band 12 (Brown).