Ocean Zones
Which zone exists from 80m to 200m and is characterized by low levels of light?
Disphotic Zone
The Mid-Atlantic ridge is a ____________ plate boundary.
Divergent
The top-most layer of the Earth, which ranges from 25 to 50 miles in depth.
The Crust
Through chemical interactions with salt water.
What compound is used by chemosynthetic organisms for sugar production?
Hydrogen Sulfide (H2S)
The area relatively close to shore (coasts, tide pools, reefs, sandbars) is called:
The Littoral Zone
What process drives plate tectonics?
Convection Currents in the Mantle
The area just below the lithosphere which provides a dynamic surface for plates to move on?
The Asthenosphere
Dropping HCl on a sediment sample can help use determine:
Calcium carbonate composition
The process that allows some bacteria to produce sugar using chemicals instead of sunlight is called _____________________.
Chemosynthesis
The open ocean is also known as the ____________________ zone.
Pelagic
Which type of plate boundary created the Marianas Trench?
Oceanic-Oceanic Convergent
What is the composition of the inner core?
Solid Iron and Nickel
What type of sediment is formed from the remains of living organisms?
Biogenous
What is the equivalent of H2S in photosynthesis?
Sunlight
Hadalpelagic zone
What type of plate boundary is characterized by two plates sliding laterally past each other?
Transform Plate Boundary
What is the largest layer of the Earth?
Mantle
_____________ oil is hazardous because it typically contains toxic additives and tar.
Refined
Hydrothermal vents release superheated ______________ mixed with chemicals.
Water. Duh
What are the 3 major oceans?
Atlantic, Pacific, and Indian
Who is responsible for the Theory of Plate Tectonics?
Robert Wegener
The action of which moving layer produces Earth's magnetic field?
The Outer Core
_______________ sediment is formed through the natural erosion of rocks.
Lithogenous
Why is it potentially dangerous to live near hydrothermal vents?