On Easter Island,data Show That It Was Once Covered by Massive

Multiple Choice

On Easter Island,data show that it was once covered by massive palm trees.How can an ecosystem collapse from removal of just one species of large tree?

A) Without large trees,soil erosion increases and reduces productivity.
B) Species of plants needing shade no longer have it.
C) Large trees are habitats for many species.
D) Humans use the trees as a resource.
E) All of the above apply.