The towel serves as a fibrous substrate of decomposing material, both for the worms and for numerous microscopic organisms that may cohabit the culture, such as bacteria, protozoans, rotifers, and ostracods.
(The towel; serves; as a fibrous substrate of decomposing material, both for the worms and for numerous microscopic organisms) (numerous microscopic organisms; may cohabit; the culture)
The towel numerous microscopic organisms
serves may cohabit
as a fibrous substrate of decomposing material, both for the worms and for numerous microscopic organisms
the culture