Virtual trail
  Spikes and spines
   
 

These plants all have sharp spikes and spines on their stems.
   
 
Click for possible answersWhat use might the spikes and spines be to the plants?
Spikes and spines facts...

Spines help protect plants against animals.

Spines on desert plants can keep the plant cool by reflecting sunlight and insulating the plant against the heat.
   
   
   
  • Cactus
  • Honey locust
  • Palm
  • Euphorbia
  • Spiny stems
  • Cactus
  • Cactus

A cactus

Honey locust trunk covered in spikes

Thorns on a palm frond

Euphorbia species

Spiny stems

A cactus

A cactus