Question

5. Algae causing harm to ecosystem​

Answer 1

Answer:

Algae can cause harm to our ecosystem as it grows in ponds having high chemicals in it, which acts as their nutrients (minerals).They flourish in that pond water and make a huge green layer above the wayer.When they die they get decomposed by bacteria.This creates many problems as the aquatic animals and plants are not able to breathe and get sunlight so they die. This process is known as Eutrophication

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Answer 2

Answer:

Explanation:

Less than one percent of algal blooms actually produce toxins. Harmful algal blooms are blooms of species of algae that can have negative impacts on humans, marine and freshwater environments, and coastal economies. ... Blooms can block light to organisms lower in the water column, or even clog or harm fish gills.