Do plants, fungi, bacteria and archaea have a sense of taste?

The bacteria and archaea definitely do not have any “senses” according to the usual meaning of that word. They are single-celled organisms without any nerves, sensory organs, or brains. read more

In the case of plants and fungi, the answer to this question is that we don’t know. Plants do have a nervous system that functions in many ways similar to that of animals, albeit much more slowly. We know that plants have a “sense of touch”, because some plants such as mimosas will roll themselves up when touched. read more

Archaea are organisms that have many unique molecular traits. Archaea are prokaryotes, but their cell walls are chemically different from those of bacteria.Some olecules in archaea are similar to molecules in eukaryotes.Some molecules in archaea are not found in other living things. read more