They upset the balance in the native bush by grazing ground plants, preying on native animals, competing for nests and other resources and promoting erosion.
(They; upset; the balance in the native bush) Context(They upset,List([0, 10))):(They; upset the balance in the native bush by grazing; ground plants) Context(They upset,List([0, 10))):(They; upset the balance in the native bush preying; on native animals)
They upset,List([0, 10)) They upset,List([0, 10))
They They They
upset upset the balance in the native bush by grazing upset the balance in the native bush preying
the balance in the native bush
ground plants
on native animals