top of page
< Back


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?

(a) 1 and 2
(b) 2 and 3
(c) 3 and 4
(d) 1 and 4



To suggest corrections, send feedback using feedback button in top menu.

To suggest corrections, use feedback icon on top menu.


Cyanobacteria and diatoms are primary producers in the ocean food chains. Cyanobacteria are photosynthetic bacteria, while diatoms are a type of algae. They convert sunlight into energy and play a crucial role in the marine ecosystem by providing food for other organisms.


How was this explanation?

bottom of page