In the open ocean, are the main producers. a. zooplankton
b. phytoplankton c. ocean plants d. symbiotic algae

Planktons primary importance to ocean ecosystems is primary production. This is exhibited with phytoplankton that is photosynthetic and provides energy for higher trophic level organisms such as nekton and bethos. They are essentially the plants of the marine ecosystem.

The correct answer is c

Single strand binding protein by peptide bond