Deep Sea Creatures

Question 1

What is the deepest part of the ocean where life has been discovered?

Accepted Answer

Challenger Deep in the Mariana Trench

Answer

Puerto Rico Trench

Answer

Japan Trench

Answer

Peru-Chile Trench

Question 2

Which deep-sea creature produces its own light through bioluminescence to attract prey?

Accepted Answer

Anglerfish

Answer

Giant squid

Answer

Vampire squid

Answer

Gulper eel

Question 3

At what depth does the 'midnight zone' of the ocean begin?

Accepted Answer

1,000 meters

Answer

500 meters

Answer

2,000 meters

Answer

3,000 meters

Question 4

What adaptation allows deep-sea fish to survive the extreme pressure at great depths?

Accepted Answer

Specialized proteins and lack of gas-filled organs

Answer

Thick, armored scales

Answer

Extra large gills

Answer

Hollow bones

Question 5

Which deep-sea creature is known for having the largest eyes relative to its body size?

Accepted Answer

Giant squid

Answer

Barreleye fish

Answer

Deep-sea hatchetfish

Answer

Vampire squid

Question 6

What is the primary food source for most deep-sea creatures?

Accepted Answer

Marine snow

Answer

Plankton

Answer

Seaweed

Answer

Small fish

Question 7

Which deep-sea environment is characterized by hot water and unique chemical-based ecosystems?

Accepted Answer

Hydrothermal vents

Answer

Abyssal plains

Answer

Seamounts

Answer

Ocean trenches

Question 8

What unique feeding strategy does the vampire squid employ when threatened?

Accepted Answer

It turns itself inside-out to display spines

Answer

It releases toxic ink

Answer

It inflates like a balloon

Answer

It changes color rapidly

Question 9

Which deep-sea fish can unhinge its jaw to swallow prey larger than itself?

Accepted Answer

Gulper eel

Answer

Viperfish

Answer

Fangtooth fish

Answer

Deep-sea dragonfish

Question 10

What percentage of deep-sea species are estimated to be bioluminescent?

Accepted Answer

80-90%

Answer

30-40%

Answer

50-60%

Answer

Nearly 100%