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

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