Show Flies Fire-Flies Use Light Signals toMan to Find Mates Man uses light signals in modern modern modern mod mod- ern warfare but flies fire-flies have I been using this method of signaling signaling signal signal- signaling ing for thousands of years Fireflies Fireflies Fireflies Fire Fire- flies have their light on the underside of the abdomen I The intermittent light flashes ace afe are signals that enable these beetles to find their mates This luminous organ is controlled by the nervous system enabling flies fire-flies to signal signal sig signal sig- sig nal at will to attract a girl friend |