Marine Life Zones

Where do deep ocean organisms get their nutrients?

• marine snow

• kelp

• chemosynthesis

• & C only

• All of these

Tags

NGSS.MS-LS2-3

NGSS.MS-LS2-1

organisms that live on or in the bottom

• benthos

• neuston

• littoral

• heterotrophs

Which zone is known as the “Midnight Zone”?

• The bathypelagic zone

• The Abyssal Zone

• The Deep Sea Zone

• The Abyssal Plain

Which zone is known as the twilight zone?

• The abyssal zone

• The midnight zone

• The mesopelagic zone

• The benthic zone

How are organisms that live in the deepest parts of the ocean able to survive the extreme pressure?

• They have thick, pressure-resistant exoskeletons

• They are made of mostly water

• They have extremely strong muscles

• They have evolved to survive without oxygen

These are organisms that live in the deepest parts of the ocean and have bacteria to perform chemosynthesis.

• Dolphins

• Sharks

• Tube Worms

• Sea Turtles

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-4

Phytoplankton live in which zone?

• epipelagic

• mesopelagic

• bathypelagic

• abyssopelagic

Deep sea animals use bioluminescence to:

• attract mates

• attract prey

• see

• all of these

Tags

NGSS.MS-LS2-4

What does the light on an anglerfish do?

• Attracts prey

• Confuses predators

• Lets it see to find its way

• It goes on and off 

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

• Natural light

• Bioluminescense

• Chemical light

• Producing light