Earth Science Chapter 13 Mrs. Farmer

Coral reefs are formed from

What is it called when certain bacteria can take non usable nitrogen and change it into organic nitrogen?

Seawater has a higher freezing point than fresh water.

How many oceans does the earth have?

What is the transition from the continental slope to the ocean floor?

God created our oceans as they are today.

Atolls are most often associated with

The most abundant salt found in ocean water is

The largest barrier reef in the world is found off the coast of Australia.

Which of these would be classified as pelagic?

What separates the coastal regions from the ocean

How does temperature, density, and pressure change as you ascend from the ocean floor?

Marine snow is a form of precipitation found at sea in winter

Which ocean covers the largest percentage of the earth's surface?

The most important source of fixed nitrogen for marine organisms is

Mean sea level is slowing reducing in most locations around the world

What percentage of the Earth's surface is covered by oceans?

Global mean sea levels are

Seawater temp. near the ocean bottom

What are sea levels affected by?

The deep relatively flat zones of the ocean basins form the

Which of these is the main chemical building block of all living things?

What happens to the ocean when it freezes and turns into icebergs?

Marine snow would be most important to organisms living in the

The term brackish is most closely related to the ______ of a sample of water.

Oceanography is the study of marine biology, marine chemistry, and more

Choose the correct order from smallest to largest.

Water that is potable is

What is the edge of the water at any given time?

A coral reef separated from the mainland by a lagoon is a(n)

Both Christian and secular scientist agree that the average salinity is increasing

Echolocation is an ability found in some sea animals which man has used to model in sonar

An atoll is a fringing ring of coral reefs surrounding an island

The main reason that the oceans are not getting saltier with time is

Because clams, corals, and anemones are attached to the ocean bottom we call them