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.
noun. The definition of a eukaryote is an organism that uses aerobic cellular respiration to break down compounds including oxygen into cellular energy. An example of a eukaryote is a human or animal cell.ukaryote. a living organism made up of cells with true nuclei that divide by mitosis: in some systems of biological classification, any of a superkingdom (Eukaryotae) of living organisms, including the plants and animals.