Ocean 115 - Introduction to Oceanography » Winter 2023 » Week 5 Post-reading Quiz

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Question #1
Which zone in the ocean contains enough light for photosynthesis?​
A.   aphotic zone
B.   abyssal zone
C.   euphotic zone
D.   disphotic zone
E.   hadal zone
Question #2
What is the primary need for living matter to function?​
A.   protein
B.   energy
C.   enzymes
D.   hydrogen
E.   oxygen
Question #3
What does a food web illustrate?​
A.   autotroph
B.   a net filled with food
C.   primary production
D.   trophic relationships
E.   heterotroph consumption
Question #4
What is a population?
A.   A group of organisms of the same species in several locations
B.   A group of interacting organisms of different species at a particular location
C.   The number of different species in an area
D.   A group of organisms of the same species occupying a specific area
E.   The largest marine ecosystem
Question #5
What is the most important physical environmental factor in intertidal communities?​
A.   salinity
B.   rise and fall of tides
C.   density
D.   temperature
E.   pressure
Question #6
Seaweeds used as additives for fabrics and adhesives would be classified in which group of marine resources?​
A.   marine energy resource
B.   physical resources
C.   nonextractive resources
D.   biological resources
E.   ecological resources
Question #7
Petroleum most likely formed from which organic substrate?
A.   Sea grasses
B.   Fossilized fish
C.   Water column debris
D.   ​Planktonic organisms and bacteria
E.   Whale falls
Question #8
What is hypoxia?
A.   The increase of nitrogen in an area
B.   The depletion of nutrients in an area
C.   The depletion of free oxygen in an area
D.   The increase of free oxygen in an area
E.   The increase of carbon dioxide in an area
Question #9
What is a major product of combustion for all hydrocarbons?​
A.   carbon dioxide
B.   oxygen
C.   nitrous oxide
D.   nitrogen
E.   hydrogen
Question #10
What happens when the ocean absorbs more carbon dioxide?
A.   Calcium carbonate dissolution decreases.
B.   Seawater pH increases.
C.   Coral reef building increases
D.   Seawater pH decreases.
E.   Less carbonic acid forms.

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