Question

“Very often sea and its tides appear red”. Give biological reason.​

Answer 1

Answer:

Red-tides: Red tides are caused by the red dinoflagellates (Gonyaulax) that multiply rapidly in sea and impart it a red colour. They release large amounts of toxins in water that can cause death of a large number of aquatic animals.

Explanation:

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Answer 2

Red tides are caused by the red dinoflagellates (Gonyaulax)

The red dinoflagellates (Gonyaulax) that reproduce rapidly in the sea and give it a red color generate red tides. They discharge massive amounts of poisons into the water, which can kill a lot of aquatic species.

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