Ocean 115 - Introduction to Oceanography » Spring 2022 » Tides
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Question #1
What is a tidal bore?
A.
When the Sun and Moon pull opposite weakening the tide
B.
The first tide in the morning
C.
When the Sun’s and Moon’s gravitational pull work together to an extraordinary effect
D.
The first tide of the month
Question #2
Name a place where a tidal bore occurs?
A.
Los Angeles
B.
Athens, Greece
C.
Alexandria, Egypt
D.
The Amazon River, Brazil
E.
Kangaroo Island, Australia
Question #3
How do the crabs in northern Australian feed?
A.
By sorting through the sand during low tide for miofauna
B.
By ambushing predators along the shore
C.
By using the tide to wash out to sea and ambush animals
D.
By stealing the food of other animals
Question #4
How do the bears in Alaska find the clams?
A.
Sight
B.
Smell
C.
Hearing
D.
Touch
Question #5
What animals (besides humans) can surf?
A.
Lobsters
B.
Starfish
C.
Snails
D.
Crabs
E.
Flounder
Question #6
Why do they do this?
A.
For the fun of it
B.
To hide from predators
C.
To get to food faster
D.
To flee from predators
Question #7
Why does the flounder have its unique shape?
A.
To hear better in the sand
B.
To see better in the sand
C.
To attract more mates
D.
To swim faster than any other fish
Question #8
What are the spring tides? When do they occur?
A.
When the tides are the strongest after the first and third quarter
B.
When the tides are the weakest after the first and third quarter
C.
When the tides are the strongest immediately after the full and new moon
D.
When the tides are the weakest after the full and new moon
Question #9
Where does the razor fish hide from the bottlenose dolphins?
A.
In the mouths of whale sharks
B.
Underneath boats
C.
In the sand
D.
Among sharp jagged rocks
Question #10
What smell does the hermit crab detect in the water? Why?
A.
Fish remains to warn of dangerous predators in the area
B.
Dead snails to find new homes
C.
Dead snails to find food
D.
Live snails to flee a predator
Question #11
What happens in the Bahamas when the tide retreats?
A.
Stingrays get stuck on the beach
B.
Dolphins get stuck on the beach
C.
Salt forms
Question #12
What do flamingos eat?
A.
Brine shrimp and brine flies
B.
Crabs and oysters
C.
Mangroves
D.
Seaweed
E.
Grasses
Question #13
What happens on Christmas Island?
A.
Rats hunt with crabs for bird eggs during the New Moon
B.
Female crabs migrate to the sea
C.
Birds circle every Christmas for turtle eggs
D.
Snakes hatch on Christmas to hunt crabs forcing the crabs to flee to the ocean
Question #14
Why does this relate back to the smallest tides?
A.
To lower the chance of drowning
B.
To make sure the eggs get wet
C.
To make sure the eggs stay dry
D.
It is the time when all other animals avoid the beach
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