Ocean Zones Diagram Quiz

Questions and Answers

What is the photic zone?

Ocean zone that receives sunlight, broken down into two sub zones (correct)

Zone that is made up of the ocean floor

Benthic zone that inlcudes the ocean floor in the trenches

Zone that covers most of the ocean basin

What is the euphotic zone?

Ocean light zone that receives enough sunlight for photosynthesis to occur

Describe the disphotic zone.

Ocean light zone that receives enough sunlight for organisms to see but not enough for them to do photosynthesis

What characterizes the aphotic zone?

Ocean light zone that receives no sunlight Signup and view all the answers

What is the benthic zone?

Zone that is made up of the ocean floor Signup and view all the answers

What defines the intertidal zone?

Benthic zone that is sometimes submerged and sometimes dry Signup and view all the answers

Describe the sublittoral zone.

Benthic zone that is on the continental shelf Signup and view all the answers

What is another name for the littoral zone?

Intertidal zone Signup and view all the answers

What is the abyssal zone?

Benthic zone that covers most of the ocean basin Signup and view all the answers

What defines the hadal zone?

Benthic zone that includes the ocean floor in the trenches Signup and view all the answers

Describe the bathyal zone.

Benthic zone that is on the continental slope Signup and view all the answers

What is the neritic zone?

Ocean zone above the continental shelf Signup and view all the answers

What does the oceanic zone refer to?

Waters beyond the continental shelf Signup and view all the answers

What defines the abyssopelagic zone?

Waters above the benthic abyssal zone, 4,000m-6,000m Signup and view all the answers

Describe the hadalpelagic zone.

Water zone found in the deep sea trenches, below 6,000m Signup and view all the answers

What is the epipelagic zone?

Water zone at the surface of the ocean, also known as the euphotic zone, 0-200m deep Signup and view all the answers

Describe the mesopelagic zone.

Water zone below the surface layer, also known as the disphotic zone, 200-1,000m deep Signup and view all the answers

What defines the bathypelagic zone?

Water zone that is below the mesopelagic zone, it is the first zone that is aphotic, 1,000m to 4,000m Signup and view all the answers

Study Notes

Ocean Zones Overview

The ocean is divided into various zones based on light penetration and depth, impacting marine life and habitats.

Photic Zone

This zone receives sunlight and is classified into two sub-zones: euphotic and disphotic.

Euphotic Zone

Known as the "light" zone, it allows sufficient sunlight for photosynthesis, supporting higher marine plant growth.

Disphotic Zone

This zone receives limited sunlight, enough for organisms to see, but insufficient for photosynthesis, resulting in reduced primary production.

Aphotic Zone

Characterized by complete absence of sunlight, this zone is devoid of photosynthesis and supports a different set of organisms.

Benthic Zone

Refers to the ocean floor, which is home to various habitats and life forms across different sub-zones.

Intertidal Zone

A specific benthic zone that alternates between being submerged under water and exposed to air due to tidal changes.

Sublittoral Zone

Located on the continental shelf, this benthic zone is continually submerged and typically rich in marine life.

Littoral Zone

Another name for the intertidal zone, this region experiences fluctuations in water levels.

Abyssal Zone

Covers the majority of the ocean basin and is characterized by deep-sea conditions, high pressure, and cold temperatures.

Hadal Zone

Includes the ocean floor found in trenches, representing some of the deepest parts of the ocean.

Bathyal Zone

Located on the continental slope, this benthic zone experiences a gradual decline in depth.

Neritic Zone

Situated above the continental shelf, this ocean zone is home to rich and diverse marine ecosystems.

Oceanic Zone

Consists of waters beyond the continental shelf, often characterized by deeper oceanic conditions.

Abyssopelagic Zone

Refers to the waters above the abyssal zone, located between 4,000m and 6,000m depth.

Hadalpelagic Zone

Found in deep-sea trenches, this water zone exists below 6,000m depth and experiences extreme conditions.

Epipelagic Zone

Also known as the euphotic zone, it exists at the surface of the ocean, extending from 0 to 200m deep, and supports photosynthesis.

Mesopelagic Zone

Known as the disphotic zone, this water layer lies between 200m and 1,000m deep, where light begins to fade.

Bathypelagic Zone

Positioned beneath the mesopelagic zone, this area ranges from 1,000m to 4,000m deep, marking the start of complete darkness.

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Description

Test your knowledge about the different ocean zones in this quiz. Learn about the photic, euphotic, disphotic, and aphotic zones, alongside their definitions and significance in marine ecosystems. Perfect for students studying marine biology or oceanography.