Oceanography Questions

The deep sea is ______ from the ______ zone and has __________ except for the______ that occurs at _______. Food is therefore a _____resource, originating primarily from ______ that _____ through the deep sea.

Except in the ______ limits of the ______zone, __ light penetrates into the ____. This lightless area is called the __________. _________ is relatively ______below the first few hundred meters.

The greatest and most rapid changes in temperature occur where the ______ meet the _______ (the __________) and where _____ emit ____water. _____ vary in _____ and are strongest in the _____. __________ vents emit water as high as ____ oC

The deep sea is the part of the marine environment that lies below the level of __________ for phytoplankton photosynthesis in the open ocean and deeper than the depth of the continental shelves (>200m).

Abyssalpelagic: _____ m to _____ m, overlying the ____ of the major ocean _____ (benthic zone is the abyssal zone)

epipelagic: __ to __ m in depth, this the __________ zone (lighted)

mesopelagic: _____- _____ m in depth, lower boundary in the tropics is the ____ degree C _____

What is the average salinity of the ocean?

When the surface ocean water temperatures and salinity change, the density changes forming what?

Deep ocean water ____________ to replace water moving away on the surface

The sinking of dense water and the rising of less dense water

What happens to salinity of ocean water if addition of fresh water

Currents generally flow in the same directions as the

Surface winds that cause surface currents to transfer energy to the ocean water are called

Winds and water from the North Pole deflect in a what direction?

Deep ocean currents carry ______________ , dense water away from the poles toward the equator

Surface winds cause surface current by transferring what to the ocean water?

Convection Currents take place all over Earth's oceans to form what?

Pressure difference in the atmosphere causes

what kind of energy can warm ocean water