Consider the following kinds of organisms: 1. Copepods 2. Cyanobacteria 3. Diatoms 4. Foraminifera. Which of…

Consider the following kinds of organisms: 1. Copepods 2. Cyanobacteria 3. Diatoms 4. Foraminifera. Which of the above are primary producers in the food chains of oceans?
  1. 1 and 2
  2. 2 and 3
  3. 3 and 4
  4. 1 and 4

Solution

Cyanobacteria and diatoms are photosynthetic and form the base of marine food chains as primary producers. Copepods are zooplankton (consumers) and foraminifera are protozoans (consumers).

Asked in: UPSC Prelims 2021

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