Question

what is algal bloom?How does it lead to eutrophication and affect aquatic life?

Answer 1

the green colour surface which covers the layer of soil water bodies is called algal bloom
the process by which it covers the layer of the water bodies is called eutrophication
it affect aquatic life because it do not allow the sufficient sunlight to enter in the water and oxygen
hope it will help you

Answer 2

When there is growth of algae in the pond in large amount is called algal bloom.
Since there is growth of algae in the water bodies it do not allow oxygen and sunlight to pass through it which causes loss of life to thenorganism who live there , this will lead to eutraphication.
Eutraphication affect aquatic life because it causes loss of life to the organism who live there.