The theory of common descent states that all living organisms are descendants of a single ancestor. Phylogenetic trees and cladograms are often used to hypothesize the evolution of various organisms and shared common descent.
Hope that helped you:)
Answer:
"Forests transport large quantities of water into the atmosphere via plant transpiration. When deforestation occurs, precious rain is lost from the area, flowing away as river water and causing permanent drying."
From what I know, Its simply an outside force that kills an unsuspecting population, so do with that as you will, im only a highschool fetus
They absorb the water and grow