The Abyss
Adaptations and Abiotic Factors
Hydrothermal Vents
Sunlight, Twilight or Midnight Zone?
100

What percent of the creatures in the abyss have the ability of bioluminescence?

Around 90%

100

Adaptation for intense darkness

very large eyes or bioluminesence

100

These form where hot water and gases from below the seafloor mix with water and gases from the overlying ocean

What are hydrothermal vents?

100

This ocean zone starts at around 600 ft and ends about 3000 ft

What is the twilight zone?

200

What do creatures in the abyss use Bioluminescence for?

They use it for: attracting prey, communicating,  and confusing preditors

200

Adaptations for intense cold

Slow movement and slow reproduction

200

The conversion of chemicals into food/energy

What is chemosynthesis?

200

snipe eel, sea cucumber, and vampire squid are usually found in this light zone

What is the midnight zone?

300

Name any 2 creatures from The Abyss.

Glass Octopus or Piglet Squid or Vampire Squid or Blacksnout Seasnail or Fangtooth or Mushroom Soft Coral, octopus, marine hatchetfish, anglerfish, flashlight fish, pineconefish, gulper eels, many rattails, many sea pens, certain nudibranchs, the colossal squid and the Sparkling Enope Squid.

300

An abiotic factor that gets stronger the deeper you go as a direct result of gravity

What is intense pressure

300

These microorganisms are the primary producers of hydrothermal vent ecosystems

What are bacteria?

300

90% of all marine life live in this zone

What is the sunlight zone?

400

A layer of organisms that migrate each day from the deep ocean to the shallows at night

What is the deep scattering layer?

400

The Abyssopelagic Zone is difficult to define, but it is often defined as the area where the water hits this temperature

What is 4 degrees Celsius?

400

These animals live in hard chitin tubes near hydrothermal vents

What are tubeworms?

400

Only a small amount of light shows in this zone

What is the twilight zone?

500

The most common color of organisms in the abyss

black transparent or red

500

What are the 5 zones in their scientific name?

The 5 zones : Epipelagic Mesopelagic Bathypelagic Abyssopelagic Hadalpelagic

500

This is the top predator of vent communities

What are vent crabs?

500

90% of the ocean is this zone

What is the midnight zone?

M
e
n
u