The wide variety of plants and animals from the forests and other ecosystems containing trees --like the savannah-- constitute an important component of household food supply.
(other ecosystems; containing; trees --like the savannah) (The wide variety of plants and animals from the forests and other ecosystems; constitute; an important component of household food supply)
other ecosystems The wide variety of plants and animals from the forests and other ecosystems
containing constitute
trees --like the savannah
an important component of household food supply