Ocean 115 - Introduction to Oceanography » Spring 2022 » Open Ocean

Need help with your exam preparation?

Existing Quiz Clients Login here
Question #1
When do striped marlins mainly hunt?
A.   At dusk
B.   In daylight
C.   At night
D.   Anytime
Question #2
What happens to the sardines the marlins were hunting?
A.   They are swallowed by a whale
B.   They escape
C.   They scare them off using the ball defense
D.   The marlins eat them all
Question #3
What do the manta rays feed on?
A.   Sharks
B.   Shrimp
C.   Fish
D.   Eggs
Question #4
How many tuna eggs reach adulthood?
A.   1 in 1000
B.   1 in 100,000
C.   1 in 100 million
D.   1 in 10
E.   1 in 1 million
Question #5
What is the use of the sail on the sailfish?
A.   To increase its speed
B.   To find a mate
C.   To ward off predators
D.   To light up blue and ultraviolet when hunting
Question #6
How can fish find shelter in the open ocean?
A.   By swimming under large ships
B.   By finding floating debris
C.   They actually can’t
D.   By mimicking larger fish and staying in one large group
Question #7
What is a seamount?
A.   A depression off the coast
B.   A crater from an underwater volcano
C.   A submerged island
D.   A type of coral
E.   A shimmer in the ocean
Question #8
Why are seamounts important for marine biologists?
A.   They have magnetic signals that pull in sharks
B.   They bring up nutrients from the deep sea by deflecting the deep water currents up to the surface
C.   They allow better navigation
D.   They are the only place we can find jacks
Question #9
Why do the hammerhead sharks come to the volcanic islands?
A.   To eat reef fish
B.   To eat silky sharks
C.   To find cleaners to remove parasites
D.   To hunt for squid
Question #10
What is the ball defense?
A.   A trick that jacks use to confuse sharks
B.   A tight circle used by small fish to try to avoid being eaten
C.   A tight circle and quick breakup in all directions to confuse predators
D.   A rolling attack strategy
Question #11
How can the tuna break through the ball?
A.   By eating a path
B.   By using speed to splinter the smaller fish into smaller groups
C.   By swallowing large numbers making the ball break
D.   They can’t, the ball scares off predators by its size
Question #12
What do the tuna follow?
A.   Sturgeon
B.   Dolphins
C.   Jacks
D.   Tiger sharks
E.   Mako sharks
Question #13
Who drive the dolphin away from the bate ball?
A.   Great White sharks
B.   Cory's Shearwater
C.   Humpback whales
D.   Bluefin tuna

Need help with your exam preparation?

Existing Quiz Clients Login here