Deep Ocean
Depth of which sunlight dwindles
200m
Animals without a spinal structure
Invertebrate
Where hydrothermal vents are found
The sea floor
Animals with a spinal structure
Average temperature of the deep ocean
4 degrees Celsius
Name ONE example of an invertebrate
Examples include: crystal amphipod, pigbutt worm, giant tube worm, fingered goblet sponge, blood-belly comb jelly
How organisms at vents create food in the absence of sunlight
Chemosynthesis
Snailfish, blobfish, lanternfish
Deep Ocean definition
Ocean depth where sunlight begins to dwindle and below that
One of the largest invertebrate predators on this planet!
Phantom jelly
Organisms that chemosynthesize food
Bacteria and archaea
More than 450 species of this fish worldwide!
Snailfish
Production and emission of light by some organisms
Bioluminescence
Their blood-red bellies
The biologic relationship that Giant Tube Worms and bacteria share
Symbiotic
Cause of the blobfishs' less-than-savoury appearance
A sudden change in pressure