Horrible but True
Natural World
Dangerous Waters
Hunters and Hunted
Prehistoric Life
Natural Disasters
History
Exploration
Unusual Events
Back Home
Chemical Weapons
A mature oak tree may have as many as 300 different species of insect living on it. The tree resists their attack with chemicals stored in its leaves and bark.
Related Image
An oak tree
 
Previous:
Back
Book:
Horrible but True
Section:
Natural World
Chapter:
Weird Plants