Which one of the following organism helps in cleaning the environment?
Saprophyte
Saprophytes are organisms that derive their nourishment from dead and decomposing matter. They secrete digesitve juices on dead and decaying matter and break them down to simple substances. Then they absorb the nutrients in it. By performing this action, they help in cleaning up the environment.
Autotrophs are plants that prepare their own food. Heterotrophs are organisms that depend on other plants or animals for their food. Parasites depend on host organisms for their nutrition.