If fungi can invade a host to the point of vascular conncectivity, then what can be part of invading a host?

Answer choices:
- It helps them survive
 - Something that causes allergies
 - Movement of an air mass
 - energy of moving objects
 - vascular conncectivity
 - harmful substances
 - Leptospirosis
 - competing for resources

 

     vascular conncectivity     