what makes the water hyacinth float on the water? how about water lettuce?​

Sagot :

Answer:

2,Air-filled tissues in various parts of the plant provide the buoyancy that allows them to float. ... A similar but invisible air-filled tissue is found in the swollen leaf stalks of the water hyacinth, Eichhornia crassipes. It floats freely on the water and bears attractive clusters of blue-violet flowers.

Answer:

Air-filled tissues in various parts of the plant provide the buoyancy that allows them to float. ... A similar but invisible air-filled tissue is found in the swollen leaf stalks of the water hyacinth,Eichhornia crassipes.

Another free-swimming aquatic plant, the water lettuce or Pistia stratiotes, is covered with fine water-repellant hairs that trap air. The leaves of the water lettuce are arranged in rosettes that do indeed make it look much like a small head of lettuce. Leaves can also float by themselves.