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