EOSC 315 MODULE QUIZ WITH COMPLETE SOLUTIONS 100% VERIFIED
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Course
EOSC 315
Institution
EOSC 315
EOSC 315 MODULE QUIZ WITH COMPLETE SOLUTIONS 100% VERIFIED
What is the shallowest ocean zone where there is no visible light from the sun during the daytime? - Answer- Bathypelagic
At what zone would you find NO zooplankton? - Answer- All zones listed will have zooplankton.
Which of the f...
EOSC 315 MODULE QUIZ WITH
COMPLETE SOLUTIONS 100%
VERIFIED
What is the shallowest ocean zone where there is no visible light from the sun during
the daytime? - Answer- Bathypelagic
At what zone would you find NO zooplankton? - Answer- All zones listed will have
zooplankton.
Which of the following is NOT an adaptation for non-migratory fish in the mesopelagic? -
Answer- Well developed muscles.
Which of the following colors would be the best color for a fish to avoid predation in the
mesopelagic? - Answer- Red
Which zone has the most consistent temperature and salinity? - Answer- bathypelagic
Bathypelagic fish do not have a swim bladder for one of the following reasons (pick the
best answer). - Answer- They do not vertically migrate
The most reliable form of food for pelagic fish that live below the mesopelagic is which
of the following? - Answer- Marine snow
Why do many deep sea fish (below mesopelagic) still have eyes? - Answer- to detect
bioluminescence
Which of the following is NOT a reproductive adaptation of deep sea fishes? - Answer-
broadcast spawning of eggs and sperm
Why do deep sea benthic fish exhibit gigantism compared to pelagic deep sea fish? -
Answer- Allow for larger energy reserves.
If you saw a long and thin deep sea benthic fish that had washed up dead on the beach,
you would be able to tell your friends which of the following in terms of its evolved
behaviour? - Answer- The fish has evoilved the ability to maneuver within the flesh of
dead organisms for food.
, When a whale dies and falls to the bottom of the ocean, which of the following
organisms are one of the first to feed on the dead carcass? - Answer- hagfish
How long will a whale carcass generally provide food for the benthos (on average)? -
Answer- 50 years
A typical coral reef community has very high productivity because ____________. -
Answer- nutrient uptake and release are tightly coupled
2 All the following are true with respect to the properties of light in seawater EXCEPT
___________
a) The photic zone is deeper in the open ocean than in most coastal regions.
b) Increased plankton biomass and sediment concentrations will change the color of the
surface water towards green and or yellow.
c) The ocean appears blue because the blue wavelength is reflected off the oceans
before it can penetrate below the surface.
d) Red does not penetrate below the ocean's surface very deeply.
e) The color of tropical oceans including coral reefs tends to be blue due to the lack of
plankton biomass in the water. - Answer- The ocean appears blue because the blue
wavelength is reflected off the oceans before it can penetrate below the surface.
Which of the following is true about diatoms?
A) They are made of silica shells
b) They on average get smaller as they go through asexual reproduction.
c) Diatoms can actively maintain their position in the water column.
d) They are eukaryotic and single celled.
e) All of the above are true - Answer- all of the above are true
Which of the following are not all photosynthetic? - Answer- Dinoflagellates
Which of the following does NOT apply to zooplankton? - Answer- The carnivores are
important primary consumers in most food webs.
Which of the following is true about Chondrichthyes? - Answer- They are made up of
cartilage, making them negatively buoyant.
Infauna organisms inhabiting sandy shore environments must cope with ___________
and tend to be ________ due to the food availability in their specific ecosystem. -
Answer- Low oxygen; detritivores
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