Oceans
Floor Features
Layers
Coral Reefs
Ecosystems
100

The southern most ocean

The Southern Ocean

100

The deepest part of the ocean

Ocean Trench

100

This layer receives 1% of sunlight 

The Twilight Zone

100

What color is coral when it is dying?

White

100

What are coastal forests called?

Mangrove forests

200

The northern most ocean

The Arctic Ocean

200

A flat, featureless area deep on the ocean floor

Abyssal Plain

200

This is the brightest and warmest layer

The Sunlight Zone

200

What are polyps?

Tiny animals that cluster together to make coral reefs

200

What type of water is found in estuaries?

Brackish water


300

The largest ocean

The Pacific Ocean

300

The submerged shallow edge of a continent

Continental Shelf

300

This layer has extreme pressure and is pitch black

The Lower Midnight Zone

300

What is a nickname for reefs that reference the diversity found there. 

Rainforest of the Sea

300

Where are kelp forest found?

Cool costal water

400

The ocean that separates the Americas from Europe and Africa.

The Atlantic Ocean

400

formed by volcanic activity, accumulating until it rises above sea level

Volcanic Island

400

This layer is the first layer where there is no light the temperature is near freezing

The Midnight Zone

400

What does Coral need to survive

warm water and sunlight

400

What is the nickname for estuaries?

Nurseries of the Sea

500

The smallest and most shallow ocean

The Arctic Ocean

500

Steep, sloping region from the continental shelf to the ocean floor

Continental Slope

500

What lights up in the Midnight zones?

Bioluminescence 

500

What type of water are coral reefs found in?

Only in shallow water

500

Why are the roots out of the soil in mangrove forests?

To breathe oxygen, the oil is muddy and has low oxygen

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