Ocean 115 - Introduction to Oceanography » Spring 2022 » Deep Ocean video

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Question #1
What makes up most of the amphipods head?
A.   Jaws
B.   Tentacles
C.   Ears
D.   Nose
E.   Eyes
Question #2
How does the jellyfish move in the deep?
A.   By using nets
B.   By pumping water through its body
C.   Thousands of tiny cilia
D.   By hitching a ride onto larger critters
Question #3
What can hatchet fish do?
A.   Detect electromagnetic signals through the ambullae of lorinzini
B.   They have photophores that allow them to exactly match the light coming from above, called countershading
C.   They use sharks to defend them
D.   Slam their fins through their food so they can eat
Question #4
What does red pigment allow an animal to do in the deep sea?
A.   To be invisible
B.   To out race the competition
C.   To emit a poison
D.   Distract predators by looking like a dead corpse
Question #5
What can gulper eels swallow?
A.   Prey half their size
B.   Prey as big as themselves
C.   Prey 25% their size
D.   Prey 3 times their size
Question #6
Where does the male angler fish stay?
A.   In groups for protection
B.   Fused to the female
C.   Under her jaw for protection
D.   Away from her mouth
Question #7
Photosynthesis is impossible below?
A.   867 feet
B.   89 feet
C.   247 feet
D.   40 feet
E.   450 feet
Question #8
What group dominates the deep sea floor?
A.   Cnidarians
B.   Arthropods
C.   Mollusks
D.   Echinoderms
E.   Chordates
Question #9
What covers ½ the surface of the planet?
A.   The continental shelf
B.   The abyssal plain
C.   The continental rise
D.   The trench
E.   The continental slope
Question #10
What are the largest geological structures on the planet?
A.   The ocean hotspots
B.   The trenches
C.   The mid-ocean ridges
D.   The continental slopes
Question #11
The polycheate worm can tolerate temperatures as high as?
A.   176 degrees F
B.   212 degrees F
C.   300 degrees F
D.   100 degrees F
E.   586 degrees F
Question #12
The tube worms feed on bacteria that get their food through?
A.   Sunlight
B.   Sulfides
C.   Catching crabs
D.   Methane
Question #13
What causes the “lake” at the bottom of the Gulf of Mexico?
A.   Freshwater
B.   Volcanoes
C.   Whale carcasses
D.   Brine seawater
Question #14
What has a more stable future?
A.   Hot vent communities
B.   Cold seep communities 

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