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WorksheetsOpen Ocean and Deep Sea Quiz 2025
Total questions: 20
Worksheet time: 15mins
what is the 2nd layer of ocean
sunlight zone
twilight zone
midnight zone
abyssal zone
hadal zone
Which division of the ocean is the deepest?
Bathypelagic
Hadalpelagic
Epipelagic
Mesopelagic
Which division of the ocean is at the surface?
Bathypelagic
Hadalpelagic
Epipelagic
Mesopelagic
Which part of the ocean has the most dissolved oxygen?
the surface
the deep ocean
Many species in the open ocean vertically migrate upwards in the ocean at night to feed. In which zone do they live in during the daylight?
epipelagic
mesopelagic
abyssalpelagic
hadalpelagic
Which of the following is the deepest of the ocean waters
mesopelagic
abyssalpelgic
epipelagic
hadal pelagic
what is the 1st layer of ocean
sunlight zone
twilight zone
midnight zone
abyssal zone
hadal zone
what is the 5th layer of ocean
sunlight zone
twilight zone
midnight zone
abyssal zone
hadal zone
Based on the Food Web, which of these statements is true?
The shark is a producer
The octopus is a primary consumer
The limpet is a secondary consumer
The zooplankton is a primary consumer
What do you call organisms that eat ONLY producers?
Carnivores
Herbivores
Omnivores
Detritivores
the deep sea scavengers include animals that feed on:
each other
bacteria
deep sea plankton
dead animals
Which statement is TRUE:
Organisms can move between zones to feed.
Zones are fixed, and there is no movement of organisms between zones.
Which of the following adaptations is common among deep-sea creatures?
Thick scales
Bright coloration
Bioluminescence
Large eyes
What do you call organisms that break down and recycle matter back into the ecosystem?
Carnivores
Herbivores
Omnivores
Detritivores
Based on what you know about marine snow, where would you expect the most nutrients to be in the ocean?
the surface
the deep ocean
Which zone is known as the twilight zone?
The abyssal zone
The midnight zone
The mesopelagic zone
The benthic zone
Deep sea animals use bioluminescence to:
attract mates
attract prey
see
all of these
In which zone do you find the least amount of life?
Hadapelagic Zone
Abyssalpelagic Zone
Bathypelagic Zone
Epipelagic Zone
Mesopelagic Zone
