food contains nutrients for living things & survivor affects are the sink of rolling for decomposers ->  dead organisms are the source of food for decomposers  survivor things are the sink of poison for decomposers & if an object is a source of something for something else then that something else can obtain that something from that object -> decomposers obtain food from dead organisms decomposers obtain food from dead organisms  decomposers obtain food from dead organisms & absorbing something is a mean of vegetable for obtaining something -> decomposers obtain food by abosorbing food from dead organisms