Question

give scientific reason why roots and absent in plants such as wolfia and Salvinia?​

Answer 1

Answer:

Roots are meaningless as body which is in direct contact with water acts as absorptive surface and absorbs water and minerals. This may probably be the reason why roots in hydrophytes are reduced or absent. ... Roots are totally absent in some plants, e g., Ceratophyllum, Salvinia, Azolla, Utricularia, etc.