Question

The leaf stalks of water hyacinth are filled with____.

Answer 1

Answer:

The leaf stalks of water hyacinth are hallow and sponge like due to the presence of air filled cavities called parenchyma. These allow the plant to bloat on water by releasing oxygen. This released oxygen allow plant to float on water..

Answer 2

Answer:

parenchyma.

Explanation:

Water hyacinth is considered invasive throughout the world because it grows rapidly and can form thick layers over the water. These mats shade out the other aquatic plants. Eventually these shaded plants die and decay. The decaying process depletes the amount of dissolved oxygen in the water.