Q. Which creatures are direct or indirect food of all creatures on the ocean’s surface?
A) Protozoans
B) Phytoplankton
C) Fish
D) Aquatic insects
Explanation
Phytoplanktons are the producers in ocean’s ecosystem.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.