Description : Which one of the following is a vestigial organ? (1) Eye-brow (2) Collar-bone (3) Wisdom-teeth (4) Nails
Last Answer : (3) Wisdom-teeth Explanation: Wisdom teeth are vestigial third molars that human ancestors used to help in grinding down plant tissue. The common postulation is that the skulls of human ancestors had ... selected, yet the third molars, or "wisdom teeth," still commonly develop in human mouths.