<h2>
Answer:</h2>
Option C) The organism can move around its environment using a flagellum.
<h2>
Explanation:</h2>
Out of four options option C) matches the most.
- Although most of the bacteria are Heterotrophs but a variety of species of them are Autotrophs making their own food. Hence option a) is incorrect.
- Bacteria belong to prokaryotes which means they do not have a well defined membrane bound nucleus. hence option b) is also incorrect.
- Most of the bacteria can move through flagella only a few species do not have flagella. Hence this option matches the most.
- Bacteria are unicellular organism and none of the species of bacteria is multicellular. Hence option d) is incorrect.
Resut: Option C) matches the most for defining bacteria.
