Use the drop-down menus below to identify the organ that is responsible for each function of the
excretory system.
produces feces
excretes sweat
converts poisonous substances to less toxic forms
excretes carbon dioxide and water
produces urine

littering streams           is the answer

well for one plants are always the producer, so a is the answer. a wolf is more of the consumer(predator) and the deer is the prey so i know those two are out of the question. also mushrooms are fungi/fungus so a is the producer.