Answer: I believe it is A
Explanation: Plz Mark Brainlist
Pathogens are the main factor for plant disease in forest ecosystems. They can cause disruption to tree functions. Although some positives reside along with these diseases. They are necessary for justifying control measures. They are one way that institutions and scientists decide what is important to study. These diseases can be used to justify funding for research or management. Ecologically, they can be a way of determining what factors are important in determining forest structure and dynamics.
Yankee Doodle
They copied the Barny theme song :(
Was their more to the question or I this all of it. It seems like to me that their should be more, like answers to choose from or something, by the way the question was worded.
Concerto
I think I cant really explain how I got the answer.
