Polypores destroy wood, depriving plants of nutrients and water, feed on plant juices (nutrients), dooming them to starvation and slow death. Fungal spores are small and light, so they are easily carried by the wind and get into even the smallest pores and cracks in the bark of trees. In the presence of moisture, they germinate into the body of the plant (trunk).
Remember: The process of learning a person lasts a lifetime. The value of the same knowledge for different people may be different, it is determined by their individual characteristics and needs. Therefore, knowledge is always needed at any age and position.