Answered

What effects can algal blooms have on the aquatic ecosystem?

A. They don't have an effect because the fish can feed off them.
B. The algal blooms don't survive for a long time so they don't have much of an impact.
C. The algal blooms only affect the organisms that rely on trophic levels.
D. They reduce the ability of other fish and aquatic life to find food, causing them to leave or even die.



Answer :

Final answer:

Algal blooms can harm the aquatic ecosystem through oxygen depletion, toxin production, and negative impacts on biodiversity.


Explanation:

Algal blooms can have detrimental effects on the aquatic ecosystem. They can lead to oxygen depletion due to the rapid growth of algae, causing dead zones where animal life suffers. Additionally, some algae produce toxins that can harm fish, accumulate in shellfish, and affect human health if consumed.


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