Yes they do have a cell wall
Contain circular pieces of DNA concentrated within a nucleoid. Some contain plasmids, which can<span> be shared with other </span>prokaryotes<span>. </span>Eukaryotes<span> contain </span>their<span> genetic material in chromosomes within a nucleus. ... </span>Prokaryotes<span> are therefore able to lack membrane-bound organelles and have less complex internal </span>structure<span>.</span>
13-13= 0, 19-13= 6, so then 0-6= -6
They are not afraid but they try and avoid getting wet because they cannot fly when wet