Civil Services Examination · ప్రశ్న 22
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?
సమాధానం చూపించు & వివరణ
సమాధానం: (B) 2 and 3
వివరణ
Cyanobacteria and diatoms photosynthesise. Copepods are zooplankton, and foraminifera are mostly heterotrophic protists.