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?

उत्तर देखें और व्याख्या

उत्तर: (B) 2 and 3

व्याख्या

Cyanobacteria and diatoms photosynthesise. Copepods are zooplankton, and foraminifera are mostly heterotrophic protists.