Marine Biology Review

The correct order of ocean zones in the aphotic zone, is:

• Aphotic, Abyssal, Bathyal
• Abyssal, Photic, Hadal
• Bathyal, Abyssal, Hadal
• Bathyla, Hadal, Abyssal

This ocean zone includes the deepest trenches, such as the Mariana Trench.. 

• Abyssal
• Pelagic
• Bathyal
• Hadal

Deep in the ocean, the water has a lot of weight that pushes down.  What is this called?

• air pressure
• water pressure
• knots
• waves

Some sea creatures use chemicals to produce light.  What is this called?

• Natural light
• Bioluminescense
• Chemical light
• Producing light

How do tubeworms eat?

• They chew their food
• Using bacteria in their bodies
• They filter out the food 
• They don't eat

As depth in the ocean increases, pressure ___________.

• Increases

• Decreases

The photic zone of the ocean is the layer in which

• the land between tides is located

• light is able to penetrate

• the temperature transitions drastically

• there is no marine life

Tags

NGSS.MS-LS1-6

The process used by deep sea organisms to produce their own light is called ________

• bioluminescence

• fluorescence

• deep sea light

• lumiglow

What conditions make exploring the Deep Sea difficult for scientists?

• tremendous pressure

• lack of light

• very cold temperatures

• all of the above

Density of water is affected by temperature and salinity. The density of water will be highest when

• temperature increases and salinity increases

• temperature decreases and salinity increases

• temperature increases and salinity decreases

• temperature decreases and salinity decreases