The primary producers of the deep-sea hydrothermal vent ecosystem are
coral reefs
green algae
chemosynthetic bacteria
blue-green algae
Explanation:
Deep sea hydrothermal vents do not have oxygen for green algae, blue green algae and coral reefs. Further due to absence of light photosynthesis cannot occur.
Deep sea hydrothermal vents do not have oxygen for green algae, blue green algae and coral reefs. Further due to absence of light photosynthesis cannot occur.