Zone In!
Which ocean zone is known as the 'photic zone' and supports photosynthesis?
Epipelagic zone
Give one purpose of bioluminescence in deep-sea creatures?
Attracting prey, confusing predators, or communication
What is the first stage of a whale fall?
Scavenger stage
What is the temperature range at hydrothermal vents?
Up to 400°C
Which zone is home to the snailfish, adapted for extreme pressure?
Hadalpelagic zone
Which zone is known for bioluminescence and large eyes, such as lanternfish?
Mesopelagic zone
How do organisms like the gulper eel adapt to limited food availability?
Large mouths and expandable stomachs
Name a common scavenger during the scavenger stage of a whale fall.
Hagfish and sleeper sharks
How do organisms tolerate high pressure in deep-sea trenches?
Soft bodies or pressure-resistant enzymes
What type of organism has a symbiotic relationship with chemosynthetic bacteria?
Tube worms
Name the zone that features completely dark conditions and high pressure, starting at 1,000 meters.
Bathypelagic zone
What structural feature helps deep-sea animals resist extreme pressure?
Soft, pressure-resistant bodies or enzymes
Which stage of a whale fall can last for decades (50-75 years)?
Sulfophilic stage
What energy source replaces sunlight at hydrothermal vents?
Chemosynthesis
What adaptation allows lanternfish to thrive in the Mesopelagic zone?
Bioluminescence and large eyes
Which zone includes the deepest parts of the ocean, like the Mariana Trench?
Hadalpelagic zone
What adaptation allows tube worms to survive near hydrothermal vents?
Symbiosis with chemosynthetic bacteria
What animals are present during the enrichment opportunist stage of a whale fall?
Crabs, worms and octopuses
What abiotic factor limits mobility in the Bathypelagic zone?
High pressure
How does countershading help Epipelagic zone animals avoid predation?
Dark on top, light on bottom to blend with surroundings
Give one key adaptation found in the Mesopelagic zone for locating prey.
Bioluminescence and large eyes
What process supports life at hydrothermal vents.
chemosynthesis
What inorganic compound are the bacteria extracting during the Sulfophilic stage?
hydrogen sulfide
What challenges do organisms face in the Hadalpelagic zone?
Extreme pressure and scarcity of food
What type of digestion is required for organisms living on whale falls?
An efficient digestion system