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