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

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