Many producers and consumers die without being eaten, so decomposers such as woodlice and earthworms, which themselves may become prey items, form an important additional link, decomposing the dead bodies and wastes of plants and animals 
(decomposers such as woodlice and earthworms; form; an important additional link, decomposing the dead bodies and wastes of plants and animals) (an important additional link; decomposing; the dead bodies and wastes of plants and animals)
decomposers such as woodlice and earthworms an important additional link
form decomposing
an important additional link, decomposing the dead bodies and wastes of plants and animals
the dead bodies and wastes of plants and animals