Organic debris that drifts down from the upper, lighted regions of the oceanic province, and is the base of food chains for organisms of the deep ocean is called:

Question

Quizplus · Accepted Answer

Marine snow consists of organic debris that falls from the upper layers of the ocean, where photosynthesis occurs, to the deeper, darker regions. This material serves as a primary food source for deep-sea organisms, forming the base of many deep-ocean food chains.

Organic Debris That Drifts Down from the Upper, Lighted Regions