According to some scientists, what resulted from the environmental conditions existing on primitive earth illustrated above?

Some scientists have presumed that nature of life may exist with the choice dictated by the local environment. The primitive earth illustrated the evolution of the first heterotrophs from aggregates of organic molecules from the development of heterotrophic forms according to the existing environmental conditions.  

Ifound this information on google “yes. they have a mouth and brain at one end and an anus at the opposite end. what characteristics distinguish an annelid from other worms? annelids have segmented bodies and a coelem which is a tube filled with fluid and contains most of the organs.“ i hope it you

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