red tide is caused by ? a)gonyaulax b)ceratium c)noctiluca d)physarum e)both a&b
Hello Aspirant,
Red tides are also known as algal bloom which is caused due to explosive growth and accumulation of microscopic algae (dinoflaglette) and in growth it makes a bunch type structure which is known as algal bloom.
Main reason for this explosive growth is Gonyaulax, so the answer is option A.
I hope this information helps you.
Good Luck!!