Motile

[Sarah]

Having powers of self-motion, though unconscious; as, themotile spores of certain seaweeds.

[Sarah]

[Biology] moving or capable of moving spontaneously: gmo cells; gmo spores

[Tina]

(especially of plants, organisms, and very small forms of life) able to move by itself

[Gregory]

(of cells, gametes, and single-celled organisms) capable of motion.