They are also referred to as the primary producers because they produce food or chemical energy that supports all other organisms within the community.
(They; are also referred; as the primary producers; because they produce food or chemical energy) (they; produce; food or chemical energy) (chemical energy; supports; all other organisms within the community)
They they chemical energy
are also referred produce supports
as the primary producers because they produce food or chemical energy
food or chemical energy
all other organisms within the community