Marine and Coastal Systems Quiz

Oceans cover what percent of the Earth?

• 80's

• 70's

• 60's

• 90's

How is ocean water structured?

• by salinity only

• vertically

• by density only

• horizontally

What is the vertical flow of cold, deep water towards the surface?

• downdrafting

• downwelling

• updrafting

• upwelling

What is the measurement of the depth of oceans called?

• topography

• bathomotry

• bathymetry

• cartography

Where are  littoral ecosystems located?

• during neap tide

• during spring tide

• 1. between uppermost reach of high tide and lowest limit of low tide

• 1. between lowermost reach of high tide and highest limit of low tide

According to the notes, how much of ocean water is water?

• 98.6%

• 96.5%

• 97.3%

• 96.9%

By what processes are ocean currents driven?

• density differences, winds, temperatures, gravity

• animal movement, gravity, tides

• gravity of the moon and sun, temperature

• salinity, density, organism movement, gravity

List 3 forms/features of seafloor topography.

• volcanoes, forests, trenches

• trenches, ridges, debris mounds

• deserts, mountain ranges, flat areas

What zone occurs between the oceans surface and the seafloor?

• pelagic

• benthic

• abyssopelagic

• aphotic

What is an intertidal zone?

• between continental shelf and the shore

• where ocean meets land during low tide

• where ocean meets land during high tide

• where ocean meets lnd between high and low tide