You are presented with the question "What have special structures for penetrating trees" and the following answer choices: 
- Fungi
 - flowers roots
 - rain
 - fungus
 - LEDs
 - grasshoppers
 - ferns
 - bamboo

Now knowing that fungi have special structures for penetrating a host and host specificity was also observed for some fungi and tree species, choose the best answer.


 

 Fungi        