Which of the following organisms are known as chief producers in the oceans? HomeMedical Entrance ExamWhich of the following organisms are known as chief producers in the oceans?Biology, Entrance, Medical, NEETWhich of the following organisms are known as chief producers in the oceans?Option 1 : DinoflagellatesOption 2 : EuglenoidsOption 3 : CyanobacteriaOption 4 : Diatoms