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

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