Which marine zone lies near the surface over the continental shelf?

• A. Pelagic Zone
• B. Hadopelagic Zone
• C. Bathyal Zone
• D. Neritic Zone

Answer: (D)

Zonation by depth and distance from shore determines where each marine zone occurs; this item focuses on the shallow area over the continental shelf. The neritic zone is the coastal region lying above the continental shelf, with shallow, sunlit water and high productivity because light reaches the bottom and nutrients from land support growth. It extends from the shoreline to the outer edge of the shelf, making it the near-surface zone over the shelf. In contrast, the pelagic zone refers to the open-water column away from the coast and shelf; the bathyal and hadopelagic zones are much deeper parts of the deep ocean, beyond the shelf. Therefore, the neritic zone best fits the description.