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.
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.
Kangaroo Island, Australia
B.
The Amazon River, Brazil
C.
Alexandria, Egypt
D.
Los Angeles
E.
Athens, Greece
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.
Touch
B.
Hearing
C.
Sight
D.
Smell
Question #5
What animals (besides humans) can surf?
A.
Crabs
B.
Snails
C.
Flounder
D.
Lobsters
E.
Starfish
Question #6
Why do they do this?
A.
To hide from predators
B.
To flee 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 attract more mates
B.
To swim faster than any other fish
C.
To hear better in the sand
D.
To see better in the sand
Question #8
What are the spring tides? When do they occur?
A.
When the tides are the weakest after the first and third quarter
B.
When the tides are the strongest 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.
Among sharp jagged rocks
B.
In the mouths of whale sharks
C.
Underneath boats
D.
In the sand
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 food
C.
Dead snails to find new homes
D.
Live snails to flee a predator
Question #11
What happens in the Bahamas when the tide retreats?
A.
Dolphins get stuck on the beach
B.
Stingrays get stuck on the beach
C.
Salt forms
Question #12
What do flamingos eat?
A.
Seaweed
B.
Crabs and oysters
C.
Brine shrimp and brine flies
D.
Grasses
E.
Mangroves
Question #13
What happens on Christmas Island?
A.
Birds circle every Christmas for turtle eggs
B.
Rats hunt with crabs for bird eggs during the New Moon
C.
Snakes hatch on Christmas to hunt crabs forcing the crabs to flee to the ocean
D.
Female crabs migrate to the sea
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.
It is the time when all other animals avoid the beach
D.
To make sure the eggs stay dry
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