Simple organism (5)
'simple organism' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for monad that I've seen before include "One" , "Single-celled organism" , "Singular metaphysical entity" .)
'simple organism' is the definition.
(I've seen this in another clue)
This is all the clue.
(Other definitions for amoeba that I've seen before include "Protozoan of ever-changing shape" , "Not much life" , "Tiny one-celled animal in water" , "Unicellular form" , "Freshwater or marine protozoa" .)