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Bathymetric Technique, Pelagic Zone, Deep, Sublittoral, Deep Ocean – Quiz

The key terms in this Earth Science course include Bathymetric Technique, Continental Margin, Pelagic Zone, Deep, Sublittoral, Deep Ocean, Zone, Ocean, Wind, Sonar, Salt, Ocean Basin Floor, Salt Marsh, Seismic Reflection, Ocean Ridge, Abyssal Plain, Hydrothermal Vent, Earth Science.


Which bathymetric technique differentiates between multiple layers of the ocean bottom?

  • sounding
  • sonar
  • radar altimetry
  • seismic reflection – correct

Submarine canyons are usually found in which region?

  • ocean trench
  • the ocean ridge
  • ocean basin floor
  • continental margin – correct

Marine organisms that are euryhaline would most likely be found in which environment?

  • coastal estuary – correct
  • open ocean
  • deep ocean
  • hydrothermal vent

Where might you expect to find the most marine organisms?

  • shallow waters of the Caribbean Sea – correct
  • deep waters of the North Atlantic Ocean
  • In the deep waters of the equatorial Pacific Ocean
  • deep waters of Antarctic Ocean

A significant life-limiting factor in the ocean depths would include which of the following?

  • carbon sources
  • temperature – correct
  • availability of detritus
  • coastal upwelling

The pelagic zone is best defined as which of the following?

  • the deep ocean
  • the intertidal zone only
  • the benthic zone only
  • all the open water of the ocean – correct

Bathymetric Technique & Ocean

Warm waters rich in marine life would be classified as which of the following zones?

  • neritic – correct
  • abyssal
  • bathypelagic
  • the continental shelf

Light penetrates the ocean only to which of the following depths?

  • 20 m
  • 200 m – correct
  • 500 m
  • 2,000 m

Which of the following adaptations is best suited for life in the pelagic zone?

  • tubelike body shape
  • numerous legs
  • gas-filled bag or swim bladder – correct
  • hard shell

Which of the following habitats has a water level that changes with the tide?

  • deep oceanic layer
  • abyssal zone
  • salt marsh – correct
  • sublittoral zone

In which environment would you most likely find animals with chemosynthetic bacteria embedded in their tissues?

  • abyssal plain
  • hydrothermal vent community – correct
  • sublittoral zone
  • rocky intertidal

Resources from the ocean are found in many regions, but the majority of all resources are located in which of the following regions?

  • abyssal plain
  • deep ocean
  • pelagic zone
  • continental shelf – correct

What is one of the most common resources extracted from the ocean?

  • oil – correct
  • manganese
  • gold
  • coal

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