____ are responsible for the vast majority of the ocean's primary productivity.
A)Seaweeds
B)Cchemosynthetic organisms
C)Extremophiles
D)Phytoplankton

Question

Quizplus · Accepted Answer

Phytoplankton are small, plant-like organisms that live near the surface of the ocean and use photosynthesis to produce their own food. They are responsible for about 50% of the Earth's oxygen production and are the base of the ocean food chain, providing nutrients for larger organisms. Therefore, they are responsible for the vast majority of the ocean's primary productivity.

____ Are Responsible for the Vast Majority of the Ocean's