Question

most aquatic plants do not have roots while most desert plants have roots why

Answer 1

It is because aquatic animals do not need roots for water because they have lot of water where as desert plants have lack of water of water so they need roots to get underground water.

Answer 2

Answer:

So, aquatic plants do not have roots. In desert there is scarcity of water. The soil is loose and dry. The roots go deep to hold the plant firmly to the ground and in search for water in the deeper layers of the soil.