What animal is the cleaner of the earth?

1, the earth's cleaners are: dung beetles is a grassland cleaner, seagulls are marine cleaners, small fish are marine cleaners, crows are grassland cleaners, earthworms are dirt cleaners and so on.

2. Cleaners refer to the workers who are responsible for cleaning the place, and their duties include cleaning, collecting garbage and sending it to the designated collection place. Generally refers to the staff of cleaning institutions, companies and public places. Known as "the beautician of the city".

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