Ocean 115 - Introduction to Oceanography » Spring 2022 » Marine communities lecture quiz

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Question #1
What does the prefix Steno refer to?
A.   it refers to wide, which can be used to describe organisms that have wide tolerances for specific factors.
B.   it refers to depth, which can be used to describe organisms that have deep specific factors.
C.   it refers to length, which can be used to describe organisms that have long specific factors.
D.   it refers to narrow, which can be used to describe organisms that have narrow tolerances for specific factors.
Question #2
What does the prefix Eury refer to?
A.   it refers to narrow, which can be used to describe organisms that have narrow tolerances for specific factors.
B.   it refers to depth, which can be used to describe organisms that have deep specific factors.
C.   it refers to wide, which can be used to describe organisms that have wide tolerances for specific factors.
D.   it refers to length, which can be used to describe organisms that have long specific factors.
Question #3
What is a habitat?
A.   it is an organism’s limiting factor in its community.
B.   it is an organism’s role in the community.
C.   it is an organism’s physical location in its community.
D.   it is an organism’s ability to move through its community.
Question #4
What is a niche?
A.   it is an organism’s physical location in its community.
B.    it is an organism’s limiting factor in its community.
C.   it is an organism’s ability to move through its community.
D.   it is an organism’s role in the community.
Question #5
Is the optimal range of a species is where you find the highest numbers of that species?
A.   No
B.   Yes
C.   Cannot be determined from the lecture
Question #6
Competition can occur among members of ________________________.
A.   between plants only
B.   between animals only
C.   the same species and different species
D.   different species
E.   the same species
Question #7
Which is not a marine community?
A.   Open ocean
B.   Deep seafloor
C.   Coral reef
D.   They are all marine communities
E.   Sand beach
Question #8
What kind of organisms is found near hydrothermal vents?
A.   The organisms found near the hydrothermal vents are mainly those with radial symmetry.
B.   The organisms found near the hydrothermal vents are mainly chemosynthetic.
C.   The organisms found near the hydrothermal vents are mainly filter feeders.
D.   The organisms found near the hydrothermal vents are mainly photosynthetic.
E.   The organisms found near the hydrothermal vents are mainly grazers.
Question #9
In estuaries, organisms have to cope with constantly changing?
A.   Nutrients
B.   Salinity
C.   Predators
D.   Sunlight
Question #10
The living part of the reef extends ____________________.
A.   up to one thousand feet down
B.   hundreds of feet down
C.   as just a thin layer on the surface
D.   ten feet down
E.   one foot down
Question #11
The exoskeleton formed by the coral polyp is known as?
A.   Granulite
B.   Coquina
C.   Corallite
D.   Meofauna
E.   Regullite
Question #12
Where do zooxanthallae live?
A.   As parasites on fish
B.   On the ocean floor
C.   Tied to crinoids
D.   Within the tissue of the coral polyp
Question #13
Corals do best in ________________.
A.   nutrient-poor waters
B.   freshwater
C.   highly turbid waters
D.   nutrient-rich waters
E.   brackish waters
Question #14
Which is not a common coral reef fish?
A.   Soldierfish
B.   Grunt
C.   Gahhee
D.   Grunt
E.   Barracuda
Question #15
The correct order of reef development is?
A.   fringing reef then barrier reef then atoll
B.   fringing reef then atoll then barrier reef
C.   barrier reef then fringing reef then atoll
D.   barrier reef then atoll then fringing reef
E.   atoll then barrier reef then fringing reef
Question #16
Snailfish can live at depths as great as ___________________.
A.   9000 meters
B.   7000 meters
C.   10 meters
D.   90 meters
E.   1000 meters
Question #17
Pyrococcus furiosuscan survive temperatures as high as?
A.   20 degrees C
B.   50 degrees C
C.   100 degrees C
D.   80 degrees C
E.   10 degrees C
Question #18
Commensalism is when?
A.   both organisms benefit in these relationships
B.   one organism benefits, the other is not helped or harmed
C.   two organism are both harmed by the relationship
D.   one organism benefits, but the other is harmed
Question #19
Mutualism is when?
A.   two organism are both harmed by the relationship
B.   one organism benefits, but the other is harmed
C.   both organisms benefit in these relationships
D.   one organism benefits, the other is not helped or harmed

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