Question

why does the increased level of nutrients in the water affect the survival of organisms

Answer 1

increase in nutrients will allow algae to grow on their surface which decreases the level of oxygen content in the water,due to lack of oxygen organisms can't survive

Answer 2

Increased level of nutrients in the water affect the survial of organisms
As the nutrients level increases it leads to nutrient pollution by which algae starts growing on surface of water and cause eutrophication and aquatic animals can't breath and die
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