how does the bee know which flower has nectar? Share with your friends Share 3 Manik Mishra answered this Flowers have colorful petals which attract insects. Nectar is produced in petals, stamens, ovaries and other parts of the flower. -9 View Full Answer R.shreya Barathwaj answered this flowers are colourfull so tat they attract insects therefore they know that bright coloured flowers contain nectar -7
