AICE Marine Science 2025 – 400 Free Practice Questions to Pass the Exam

Question: 1 / 400

Which description pertains to the pelagic zone?

Includes shallow waters near coastlines

Comprises vast open waters and supports diverse organisms

The pelagic zone refers to the vast open waters of the ocean, which are not near the coastlines or the seabed. This zone encompasses the water column from the surface to the depths of the ocean and is rich in diverse marine life. It includes various levels, such as the epipelagic (sunlight zone), mesopelagic (twilight zone), and deeper layers where organisms adapted to different depths and light conditions thrive. The pelagic zone supports a wide array of organisms, from microscopic plankton to large fish and mammals, making it one of the most biologically productive areas in the ocean. Recognizing this diversity is crucial for understanding marine ecosystems and the interactions within them.

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Exclusively consists of deep-sea organisms

Characterized by extensive coral reefs

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