Question

Which is an abiotic factor of a marine ecosystem?

A. food produced
B. temperature change as you go in deeper in the ocean
C. reproduction of animals

Answer 1

Answer: The topmost part of a marine ecosystem is the euphotic zone, extending down as far as 200 meters (656 feet) below the surface.

Explanation: Sunlight is one the most important abiotic factors for marine ecosystems.

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