Living Things
Normal vs. Abyssal Creatures
Climate and Geology
Trick Questions
Fast Facts
100
What are the smallest living things in the abyssal zone?
Bacteria
100
Most creatures eat plants and animals. What do animals in the Abyssal Zone eat?
There are no plants in the Abyssal Zone, so they all eat other animals.
100
How cold is the Abyssal Zone?
It is always around 4°C.
100
What direction do currents go in the Abyssal Zone?
There are no currents! The water is always still there because of how far below the surface it is.
100
What does the word "Abyssal" mean?
It comes from from the Greek meaning “bottomless sea”
200
What is this animal?
A Dumbo Octopus.
200
There is not much oxygen down in the abyssal zone like there is up above. How do animals in the abyssal zone survive with so little oxygen?
Their body does not need much oxygen to function.
200
What seasons does the Abyssal Zone have?
The Abyssal Zone is so far below the surface that it does not have seasons.
200
How cold does it have to get for the Abyssal Zone to freeze?
The Abyssal Zone does not freeze.
200
How deep is the Abyssal Zone?
The Abyssal Zone ranges from 2,000m to 6,000m.
300
How do animals in the abyssal zone see?
They don't, they either have no eyes, or they are blind.
300
Most animals in the zones closer to the surface move very fast because it is so warm there, what do animals in the abyssal zone do to keep warm?
They move very slowly to conserve body temperature.
300
Is the abyssal zone light or dark?
Dark
300
Where in the Abyssal Zone can humans go?
We can't! We would be squashed.
300
Where does most Abyssal water come from?
It comes from the Polar Regions.
400
What do some animals in the abyssal zone eat to survive?
They eat dead whale carcasses that sink to the bottom.
400
Most land animals chase after their prey to catch it. What do abyssal creatures do to catch their prey?
They use bioluminescence to lure their prey to them.
400
Is the abyssal zone closer to the surface or the bottom of the ocean?
Bottom
400
What are some plants in the abyssal zone?
There's none
400
Why is the salt concentration so much higher than the zones above?
It is higher because all of the salt and dead animals sink to the bottom, which is where the Abyssal Zone is.
500
What type of plants are in the abyssal zone?
There are none!
500
Animals in the abyssal zone have to withstand 11,000 psi of pressure; how can they withstand this without popping?
They have no air spaces in their body.
500
Out of 5 zones (from top to bottom), what number zone is the abyssal zone
4
500
How much oxygen is in the abyssal zone? (a lot or a little)
There's very little oxygen
500
How large is the Abyssal Zone?
It covers 300,000,000 square km!