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Exam 14: Ocean Water and Ocean Life

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Question 21

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________ include all organisms that drift with ocean currents.

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Question 22

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The amount of carbon fixed by organisms through the synthesis of organic matter using energy derived from solar radiation is called ________.

A) chemosynthesis
B) photosynthesis
C) primary productivity
D) none of these

E) B) and C)
F) A) and B)

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Question 23

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The mass of all living organisms on Earth is called the ________.

Productivity in temperate oceans is determined by ________.

The emission of water vapor and other gases from volcanoes is called ________.

Feeding stages in the food chain are known as trophic levels.

Word Analysis. Examine the words and/or phrases for each question below and determine the relationship among the majority of words/phrases. Choose the option which does not fit the pattern.

Organisms, such as algae and bacteria, that drift with ocean currents are known as ________.

The neritic zone is where the land and ocean meet and overlap.

Word Analysis. Examine the words and/or phrases for each question below and determine the relationship among the majority of words/phrases. Choose the option which does not fit the pattern.

Word Analysis. Examine the words and/or phrases for each question below and determine the relationship among the majority of words/phrases. Choose the option which does not fit the pattern.

A rapid change in density with depth in the ocean is called the ________.

Salinity is the most important factor in the process of photosynthesis.

In the food chain, each feeding stage is called a ________ level.

The pycnocline is a rapid change in ________ with depth in the ocean.

Halite (sodium chloride) is the most abundant salt found in seawater.

Thermoclines in the ocean are best developed at lower latitudes.

Marine organisms are influenced by a variety of physical oceanographic factors including ________, ________, and ________.

Thermoclines in the ocean are best developed at ________.

________ refers to the change in temperature with depth in the ocean.