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