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 narrow, which can be used to describe organisms that have narrow tolerances for specific factors.
D.
it refers to length, which can be used to describe organisms that have long specific factors.
Question #2
What does the prefix Eury 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 narrow, which can be used to describe organisms that have narrow 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 physical location in its community.
B.
it is an organism’s role in the community.
C.
it is an organism’s ability to move through its community.
D.
it is an organism’s limiting factor in its community.
Question #4
What is a niche?
A.
it is an organism’s limiting factor in its community.
B.
it is an organism’s ability to move through its community.
C.
it is an organism’s role in the community.
D.
it is an organism’s physical location in its 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.
the same species and different species
B.
the same species
C.
between plants only
D.
between animals only
E.
different species
Question #7
Which is not a marine community?
A.
Open ocean
B.
They are all marine communities
C.
Deep seafloor
D.
Sand beach
E.
Coral reef
Question #8
What kind of organisms is found near hydrothermal vents?
A.
The organisms found near the hydrothermal vents are mainly chemosynthetic.
B.
The organisms found near the hydrothermal vents are mainly grazers.
C.
The organisms found near the hydrothermal vents are mainly photosynthetic.
D.
The organisms found near the hydrothermal vents are mainly filter feeders.
E.
The organisms found near the hydrothermal vents are mainly those with radial symmetry.
Question #9
In estuaries, organisms have to cope with constantly changing?
A.
Predators
B.
Sunlight
C.
Salinity
D.
Nutrients
Question #10
The living part of the reef extends ____________________.
A.
ten feet down
B.
one foot down
C.
up to one thousand feet down
D.
as just a thin layer on the surface
E.
hundreds of feet down
Question #11
The exoskeleton formed by the coral polyp is known as?
A.
Corallite
B.
Coquina
C.
Regullite
D.
Granulite
E.
Meofauna
Question #12
Where do zooxanthallae live?
A.
Tied to crinoids
B.
On the ocean floor
C.
Within the tissue of the coral polyp
D.
As parasites on fish
Question #13
Corals do best in ________________.
A.
nutrient-poor waters
B.
nutrient-rich waters
C.
highly turbid waters
D.
brackish waters
E.
freshwater
Question #14
Which is not a common coral reef fish?
A.
Gahhee
B.
Soldierfish
C.
Grunt
D.
Grunt
E.
Barracuda
Question #15
The correct order of reef development is?
A.
fringing reef then barrier reef then atoll
B.
atoll then barrier reef then fringing reef
C.
fringing reef then atoll then barrier reef
D.
barrier reef then atoll then fringing reef
E.
barrier reef then fringing reef then atoll
Question #16
Snailfish can live at depths as great as ___________________.
A.
1000 meters
B.
7000 meters
C.
10 meters
D.
90 meters
E.
9000 meters
Question #17
Pyrococcus furiosuscan survive temperatures as high as?
A.
20 degrees C
B.
10 degrees C
C.
100 degrees C
D.
80 degrees C
E.
50 degrees C
Question #18
Commensalism is when?
A.
one organism benefits, the other is not helped or harmed
B.
one organism benefits, but the other is harmed
C.
two organism are both harmed by the relationship
D.
both organisms benefit in these relationships
Question #19
Mutualism is when?
A.
both organisms benefit in these relationships
B.
one organism benefits, the other is not helped or harmed
C.
one organism benefits, but the other is harmed
D.
two organism are both harmed by the relationship
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