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.   Nose
C.   Ears
D.   Eyes
E.   Tentacles
Question #2
How does the jellyfish move in the deep?
A.   Thousands of tiny cilia
B.   By using nets
C.   By pumping water through its body
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.   Slam their fins through their food so they can eat
D.   Detect electromagnetic signals through the ambullae of lorinzini
Question #4
What does red pigment allow an animal to do in the deep sea?
A.   To out race the competition
B.   To be invisible
C.   Distract predators by looking like a dead corpse
D.   To emit a poison
Question #5
What can gulper eels swallow?
A.   Prey half their size
B.   Prey 3 times their size
C.   Prey as big as themselves
D.   Prey 25% their size
Question #6
Where does the male angler fish stay?
A.   Fused to the female
B.   Under her jaw for protection
C.   In groups for protection
D.   Away from her mouth
Question #7
Photosynthesis is impossible below?
A.   867 feet
B.   247 feet
C.   89 feet
D.   40 feet
E.   450 feet
Question #8
What group dominates the deep sea floor?
A.   Cnidarians
B.   Arthropods
C.   Chordates
D.   Echinoderms
E.   Mollusks
Question #9
What covers ½ the surface of the planet?
A.   The continental shelf
B.   The abyssal plain
C.   The continental slope
D.   The trench
E.   The continental rise
Question #10
What are the largest geological structures on the planet?
A.   The trenches
B.   The continental slopes
C.   The ocean hotspots
D.   The mid-ocean ridges
Question #11
The polycheate worm can tolerate temperatures as high as?
A.   300 degrees F
B.   176 degrees F
C.   586 degrees F
D.   212 degrees F
E.   100 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.   Whale carcasses
B.   Freshwater
C.   Volcanoes
D.   Brine seawater
Question #14
What has a more stable future?
A.   Hot vent communities
B.   Cold seep communities 

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