Marine Biology Unit 2 Test

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1.
3 points
One of the most destructive earthquakes in recent history happened in Japan.
2.
3 points
Underwater volacanos, called ________________, have erupted and created many island chains like the Hawaiian Islands.
3.
2 points
Which ocean basin in the largest?
4.
2 points
Passive margins are located at plate boundaries and have many earthquakes associated with them.
5.
3 points
Oceanic crust is destroyed at ___________________ deep in the ocean.
6.
2 points
Flat topped underwater volcanos are called _______________.
7.
3 points
The _________________ layer of the Earth lies outside the core, and is made up of very hot molten material.
8.
2 points
The United States does not have any active volcanoes?
9.
3 points
The White Cliffs of Dover, England are large examples of _____________________ sediment built up over thousands of years.
10.
3 points
What is created when two continental plates collide?
11.
2 points
"Old Faithful", located in Yellowstone National Park, is an example of a hot spot on land.
12.
2 points
Sea-floor spreading happens at the _______________________.
13.
3 points
Oceanographers often refer to the body of water that surrounds Antarctica as the:
14.
3 points
Which feature on the sea floor model represents the continental slope?
15.
3 points
_______________ first proposed the idea of continental drift.
16.
2 points
Deep depressions in the ocean floor are called:
17.
2 points
Black smokers at the bottom of the ocean are types of ______________________.
18.
2 points
Sediments that are composed of the remains of once living organisms are called:
19.
2 points
A wide, flat land that stretches thousands of kilometers across the ocean is the:
20.
3 points
Biogeneous sediments are made up of:
21.
3 points
The Earth's magnetic field has never changed.
22.
2 points
Sea-floor spreading happens at trenches.
23.
3 points
Which side of the sea floor model diagram most likely represents an active continental margin?
24.
2 points
North Carolina beaches are considered to be on a passive margin.
25.
3 points
What does number 5 in the sea floor model represent?
26.
2 points
Oceanic crust is made up of mostly ______________.
27.
3 points
Where would you find the abyssal plains?
28.
3 points
The San Andreaus Fault that runs through California is an example of a ____________ boundary.
29.
3 points
The process by which an oceanic plate descends into the mantle where it breaks up and melts is called:
30.
2 points
Continental margins generally consist of:
31.
2 points
Calcereous ooze and silica ooze are examples of lithogeneous sediments.
32.
2 points
The Earth and solar system formed around ____________ billion years ago.
33.
2 points
Cold periods in Earth's history are referred to as ____________________.
34.
3 points
In the sea floor diagram, where would the process of subduction most likely take place?
35.
3 points
Continental crust is usually older then oceanic crust.
36.
2 points
Before the continents split apart, the large supercontinent was called ___________________.
37.
2 points
Red clay is the most abundant type of lithogeneous sediment in the ocean.
38.
2 points
The theory of continental drift was explained by what process?
39.
3 points
The largest magnitude earthquake occurred in the country of ____________.
40.
3 points
The outermost layer of the Earth is called the: