By determining the roles that plants, animals, and microorganisms play in a closed system, insight is gained into the relationship between producers , consumers , scavengers, and decomposers.
(the roles; play; L:in a closed system) (insight; is gained; into the relationship between producers , consumers , scavengers, and decomposers)
the roles insight
play is gained
L:in a closed system
into the relationship between producers , consumers , scavengers, and decomposers