In an environment, organisms found in filthy places, termites, dung worms are ________.
(a) Cleaners of environment
(b) Abiotic factors
(c) Dirty and useless
(d) Primary consumers

Correct Answer: (a) Cleaners of environment

Explanation:

In an environment, organisms found in filthy places, termites, dung worms are cleaners of environment because these organisms degrade the complex organic substances and decompose the decaying matter. Thus, they help in cleaning the environment.