Marine Life

Where do deep ocean organisms get their nutrients?

• marine snow

• kelp

• chemosynthesis

• & C only

• All of these

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

What does the light on an anglerfish do?

• Attracts prey

• Confuses predators

• Lets it see to find its way

• It goes on and off 

Where does the energy for chemosynthesis come from?

• sunlight

• chemicals

• producers

• consumers

There really are no differences between fish at the surface and fish in the deep ocean.

• True

• False

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

Which are adaptations deep ocean organisms have to cope with extreme pressure?

• A- Many fish have lost their swim bladder

• B- Unsaturated fats replace water in cells so they cannot be frozen and fractured

• C- Bioluminescence

• A & B only

• all of these

organisms that live on or in the bottom

• benthos

• neuston

• littoral

• heterotrophs

Scientists divide the ocean into zones.  Where do 90% of all sea creatures live?

• Sunlit zone

• Twilight zone

• Midnight Zone

• New moon zone

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

• Natural light

• Bioluminescense

• Chemical light

• Producing light

The gulper eel has a really large mouth that it can use just like some snakes.  What can it do with its jaw?

• crush things

• snap it

• unhinge it

• open it wide

Which zone is known as the “Midnight Zone”?

• The bathypelagic zone

• The Abyssal Zone

• The Deep Sea Zone

• The Abyssal Plain