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.   Ears
B.   Jaws
C.   Eyes
D.   Nose
E.   Tentacles
Question #2
How does the jellyfish move in the deep?
A.   By pumping water through its body
B.   By using nets
C.   Thousands of tiny cilia
D.   By hitching a ride onto larger critters
Question #3
What can hatchet fish do?
A.   They use sharks to defend them
B.   They have photophores that allow them to exactly match the light coming from above, called countershading
C.   Detect electromagnetic signals through the ambullae of lorinzini
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.   Distract predators by looking like a dead corpse
C.   To out race the competition
D.   To emit a poison
Question #5
What can gulper eels swallow?
A.   Prey half their size
B.   Prey 25% their size
C.   Prey 3 times their size
D.   Prey as big as themselves
Question #6
Where does the male angler fish stay?
A.   Under her jaw for protection
B.   Fused to the female
C.   In groups for protection
D.   Away from her mouth
Question #7
Photosynthesis is impossible below?
A.   450 feet
B.   867 feet
C.   40 feet
D.   89 feet
E.   247 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 rise
B.   The continental slope
C.   The continental shelf
D.   The abyssal plain
E.   The trench
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.   100 degrees F
B.   586 degrees F
C.   212 degrees F
D.   300 degrees F
E.   176 degrees F
Question #12
The tube worms feed on bacteria that get their food through?
A.   Sunlight
B.   Methane
C.   Catching crabs
D.   Sulfides
Question #13
What causes the “lake” at the bottom of the Gulf of Mexico?
A.   Brine seawater
B.   Freshwater
C.   Volcanoes
D.   Whale carcasses
Question #14
What has a more stable future?
A.   Cold seep communities 
B.   Hot vent communities

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