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.
Kangaroo Island, Australia
B.
Los Angeles
C.
Athens, Greece
D.
The Amazon River, Brazil
E.
Alexandria, Egypt
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 ambushing predators along the shore
C.
By sorting through the sand during low tide for miofauna
D.
By stealing the food of other animals
Question #4
How do the bears in Alaska find the clams?
A.
Smell
B.
Touch
C.
Sight
D.
Hearing
Question #5
What animals (besides humans) can surf?
A.
Flounder
B.
Crabs
C.
Starfish
D.
Lobsters
E.
Snails
Question #6
Why do they do this?
A.
For the fun of it
B.
To get to food faster
C.
To hide from predators
D.
To flee from predators
Question #7
Why does the flounder have its unique shape?
A.
To hear better in the sand
B.
To swim faster than any other fish
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 weakest 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 strongest immediately after the full and new moon
D.
When the tides are the strongest after the first and third quarter
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 new homes
B.
Dead snails to find food
C.
Live snails to flee a predator
D.
Fish remains to warn of dangerous predators in the area
Question #11
What happens in the Bahamas when the tide retreats?
A.
Dolphins get stuck on the beach
B.
Salt forms
C.
Stingrays get stuck on the beach
Question #12
What do flamingos eat?
A.
Seaweed
B.
Grasses
C.
Crabs and oysters
D.
Brine shrimp and brine flies
E.
Mangroves
Question #13
What happens on Christmas Island?
A.
Rats hunt with crabs for bird eggs during the New Moon
B.
Snakes hatch on Christmas to hunt crabs forcing the crabs to flee to the ocean
C.
Female crabs migrate to the sea
D.
Birds circle every Christmas for turtle eggs
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 make sure the eggs stay dry
C.
To make sure the eggs get wet
D.
To lower the chance of drowning
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