You are presented with the question "what have special structures for penetrating a host?" and the following answer choices: 
- amoeba
 - bats
 - mammals
 - sound waves
 - gamma rays
 - ferns
 - mold
 - maples

Now knowing that fungi have special structures for penetrating a host and fungi include yeasts, molds, and fleshy fungi, choose the best answer.


 

       mold  