Oceanography Study Guide Chapter 1

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The Four Principle oceans basins (plus an additional ocean) on Earth are the

Atlantic, Pacific, Indian, Southern, and Arctic Ocean

The mechanism by which population evolve and new species develop is called

Evolution

Continental crust is predominantly composed of the igneous rock called

Granite

Earth is layers sphere with the ______ density material found near the center of the Earth and the _____ density material locates near the surface

Highest, lowest

A tentative, testable statement about the general nature of a phenomenon is called a/an

Hypothesis

Which of the following is Earth's rigid layer that includes the crust plus the topmost portion of the mantle

Lithosphere

Which of the following represents Earth's low density, mostly silicate layer

Lithosphere

which of the following represents Earth's plates that are involved in plate tectonic motion

Lithosphere

Which of the following is earth's rigid layer that included the middle and lower mantle

Mesosphere

The most likely place for the basic building block for the development of life to interact and produce life is in Earth's

Oceans

Which of the following is Earth's liquid iron-Nickel layer

Outer core

Which Ocean is the deepest ocean in the world

Pacific Ocean

Which of the following is earth's solid iron-nickel layer

inner core

Which of the following is Earth's plastic layer, which flows when a gradual force is applies to it

asthenosphere

According to the fossil record on Earth, the earliest-known life-form were primitive

bacteria

Which of the following statements regarding continental and oceanic crust is TRUE

continental crust is thicker and less dense than oceanic crust

Which of the following represent Earth's high-density, mostly iron-silicate layer

core

Which of the following represents Earth's entire iron-nickel layer

core

Based on physical properties, Earth consist of ______ layers

five

Based on chemical composition, Earth consists of _____ layers

four

Current Scientific knowledge indicates that the most likely origin of most of Earth's oceans was due to

water-bearing minerals found in meteorites

oceanic crust is predominantly composed of the igneous rock called

Basalt

according to the fossil record on Earth, the earliest know life form lived in sea floor rocks about 3.5 ___ years ago

Billion

One of the reason that free oxygen in our atmosphere is important to the development and maintenance of life on Earth because oxygen

Can from ozone and block some UV radiation

Although Earth's oceans have existed since early in the formation of the planet, its ________ must have changed.

Chemical composition

The separation of the Earth into layers while it was the result of the

Differing Densities of the element that make up the Earth

Which of the following is True Concerning the deepest part of the ocean

The Depth of the tech exceeds the hight of Mt. Everest

Which ocean is mostly, but not entirely, in the southern hemisphere

The Pacific Ocean

Which ocean is the single largest geographic feature on the planet

The Pacific Ocean

Plate tectonics and evolution, which are held with a high degree of confidence because of rigorous testing and verification are examples of

theories


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