How does algal bloom destroy the quality of a fresh water body ? Explain.

How do algal blooms affect the life in water bodies

How does an algal bloom cause eutrophication of a water body? Name the weed that can grow in such a eutrophic lake.

How does an algal bloom cause eutrophication of a water body? Name the weed that can grow in such a eutrophic lake.

"Determination of Biological oxygen demand (BOD) can help in suggesting the quality of a water body. " Explain

a) What precautions(s) would you recommend to a patient requiring repeated blood transfusion? b) If the advise is not followed by the patient, there is an apprehension that the patient might contract a disease that would destroy the immune system of his/he body. Explain with the help of schematic diagram only how the immune system would get affected and destroyed.

Explain how does : (a) a primary succession start on a bare rock and reach a climax community? (b) the algal bloom eventually choke the water body in an industrial area?

Explain how does : (a) a primary succession start on a bare rock and reach a climax community? (b) the algal bloom eventually choke the water body in an industrial area?

How does the study of fossils support evolution ? Explain.

How does the study of fossils support evolution? Explain.

How does water flow through a sponge?