What characteristics makes the water hyacinth float on water?
A. light weight of the plant
B. spreading, feathery root
system
C. bulbous system filled with
air
D. light rounded waxy leaves
A. light weight of the plant
B. spreading, feathery root
system
C. bulbous system filled with
air
D. light rounded waxy leaves
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Answer:
They float on bloated air-filled hollow leaf stalks. The leaves of free-floating water hyacinths are characterised by a bulbous swelling in a section of the petiole. The oxygen bubbles float to the surface of water and get released into the air which provides buoyancy.
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