Sound.
Tendrils typically respond to physical cues such as touch and contact with other objects, rather than to sound. They use touch to help the plant find support and climb. Light touch triggers a reaction in the tendrils that allows the plant to wrap around objects for support.
Sound.
how
Touch the string with your hand or finger.
hypersensitive
sound, touch & hormones
That was my quesrion plz answer
Sound. Sound can be sharp and piercing to the ears, but it cannot be physically touched or felt.
it means when feet touch ground they eat
Go outside
Touch the Sound A Sound Journey with Evelyn Glennie - 2004 is rated/received certificates of: Australia:PG Switzerland:0 (canton of Geneva) Switzerland:7 (canton of Geneva) Switzerland:7 (canton of Vaud) Switzerland:12 (canton of Zurich)