When a snake flicks its tongue, it is gathering odor particles for transfer to two fluid-filled sacs at the roof of the mouth -- Jacobson's organs -- that lead to a second, smaller olfactory chamber. The tongue is used only to assist in this process; snakes do not have a sense of taste.
A eukaryote is a type of cell (or unicellular organism) that possesses a nucleus and membrane-bound organelles, in contrast to prokaryotes (bacteria and archaea) which don't. Eukaryote means good/true nut/kernel in Greek, referring to the nucleus, while prokaryote means before nut/kernel.
a prokaryotic cell is a cell that does not have a nucleus or membrance covered organelles. and a a eukaryotic is a is a cell that has a nucleus membrane covered organelles.2 people found this useful.Edit. Both Prokaryotic Cells and Eukaryotic Cells have an outer cell membrane.   But, prokaryotic cells do not have membranes around their organelles (inside the cell â¦), whereas eukaryotic cells do. + 15 others found this useful.