Question

When and why does sudden and extensive growth of phytoplankton impart green colour to a water body. What is this phenomenon known as? How does it harm the fish population?

Answer 1

Answer:

it is called algal bloom or eutrophication

Explanation:

The harmful effects from such blooms is due to the toxins they produce or from using up oxygen in the water which can lead to fish die-offs. Not all algal blooms are harmful, however, with some only discoloring water, producing a smelly odor, or adding a bad taste to the