Oceans
Ocean zones
100

An enclosed area where rivers empty into the ocean, serve as nurseries for marine organisms is called? 

Estuaries

100

What zone is located between the low and high tide line?

intertidal zone

200

definition of trenches?

deepest part of the oceans

200

what zone is located from the low tide line to the continental shelf?

the neritic zone

300

Aquaculture

the cultivation of seafood

300

What part of the ocean that receives enough sunlight to permit photosynthesis?

the photic zone

400

an opening in the sea floor out of which heated mineral-rich water flows.

hydrothermal vents

400

what part of the ocean that receives some sunlight, but not enough light for photosynthesis?

The dysphotic zone

500

What is a continuous shower of mostly organic detritus falling from the upper layers of the water column is called?

Marine snow

500

what part of an ocean or lake beneath the dysphotic zone, where no light penetrates?

The aphotic zone