Seafloor and Oceanic Zone

Which ocean zone allows plants to grow??

• midnight zone

• photic zone

• twilight zone

• intertidal zone

The area where the edges of continents meet oceans is called the continental ____________.

• divide

• margin

• ridge

• slope

The shallowest part of the continental margin is called the continental ____________.

• margin

• slope

• shelf

• rise

Area past the continental shelf where the sea-floor drops away quickly to a depth of several kilometers is the continental _______________.

• margin

• shelf

• slope

• rise

The area where you’ll find a gently sloping accumulation of deposits at the base of the continental slope is called the continental ___________.

• margin

• shelf

• slope

• rise

The flattest parts of the ocean floor are called ____________ plains.

• abyssal

• mid-ocean

• deep-ocean

• continental

The deepest parts of the ocean basins are the deep-sea ____________.

• plains

• vents

• trenches

• slopes

The most prominent features of the ocean basins are the mid-ocean ___________, which average 1500m high.

• shelves

• ridges

• vents

• sediments

What is letter C pointing to? 

• abyssal plain
• seamount
• mid-ocean ridge
• continental shelf

Letter D is pointing to the...

• continental slope
• continental shelf
• trench
• mid-ocean ridge