When beavers inhabit an area, they cut down trees and construct beaver dams, which slow the flow of rivers or streams. Which of the following variables is NOT going to change as a result of the long-term presence of beavers in an area? F. the number of tree species in the area

G. the types of fish present in the river or stream

H. the amount of rainfall received in summer months

I. the amount of sunlight that reaches the forest floor