What is the direct source of respiratory gas for a submerged aquatic plant?
Oxygen produced by aerators
Carbon dioxide released by land plants
Atmospheric oxygen
Oxygen dissolved in water
Aquatic organisms use the oxygen dissolved in water to survive.
What is the biological term for the process by which a water body becomes rich in dissolved nutrients, thereby stimulating the growth of aquatic life and ending in the depletion of dissolved oxygen in the water body?
what is the property of water hyacinth by which it aborsbs oxygen because plant needs carbon dioxide as its respiratory product?