What is the crossword answer for the clue: Single-celled creature

AMEBA - a 5 letter word may be the answer you are looking for!

MONAD - a 5 letter word may be the answer you are looking for!

AMOEBA - a 6 letter word may be the answer you are looking for!

RHO - a 3 letter word may be the answer you are looking for!

Single-celled creature

3 Character Answers:

RHO

5 Character Answers:

AMEBA

MONAD

6 Character Answers:

AMOEBA