Marine Biology Quiz 1 prep

Which of the following is not an ocean basin?

• Pacific Ocean

• Artic Ocean

• Southern Ocean

• Indian Ocean

The portion of the earth's crust that primarily contains basalt, is dense, and is about 50km thick.

• Oceanic crust

• Continental crust

• Continental shelf

• Continental slope

The portion of the earth's crust that primarily contains granite, is less dense, and is about 20-50km thick.

• Oceanic crust

• Continental crust

• Continental shelf

• Continental slope

A process involving the movement of large plates on the earth's mantle is plate (a)   .

A continuous chain of under water volcanic mountains encompassing the earth.

• Mid-ocean ridge

• Continental slope

• Continental rise

• Continental shelf

The process that creates new seafloor as plates move away from each other at the mid-ocean ridges is seafloor (a)   .

The downward movement of one plate into the earth's mantle when 2 plates collide.

(a)  

The gently sloped, shallow section of the edge of a continent, extending from the shore to the point where the slope gets steeper.

• Continental shelf

• Continental slope

• Continental rise

• Continental crust

The steeper section of a continental edge, extending towards the sea from the continental shelf.

• Continental slope

• Continental shelf

• Continental rise

• Continental crust

The gently sloping area at the base of the continental slope.

• Continental rise

• Continental shelf

• Continental slope

• Continental crust