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