Ocean 115 - Introduction to Oceanography » Spring 2022 » Tides
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Question #1
What is a tidal bore?
A.
When the Sun’s and Moon’s gravitational pull work together to an extraordinary effect
B.
The first tide in the morning
C.
The first tide of the month
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.
The Amazon River, Brazil
C.
Alexandria, Egypt
D.
Kangaroo Island, Australia
E.
Los Angeles
Question #3
How do the crabs in northern Australian feed?
A.
By sorting through the sand during low tide for miofauna
B.
By stealing the food of other animals
C.
By using the tide to wash out to sea and ambush animals
D.
By ambushing predators along the shore
Question #4
How do the bears in Alaska find the clams?
A.
Smell
B.
Hearing
C.
Touch
D.
Sight
Question #5
What animals (besides humans) can surf?
A.
Starfish
B.
Crabs
C.
Lobsters
D.
Flounder
E.
Snails
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 see better in the sand
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 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 weakest after the first and third quarter
Question #9
Where does the razor fish hide from the bottlenose dolphins?
A.
In the mouths of whale sharks
B.
Among sharp jagged rocks
C.
Underneath boats
D.
In the sand
Question #10
What smell does the hermit crab detect in the water? Why?
A.
Dead snails to find new homes
B.
Fish remains to warn of dangerous predators in the area
C.
Live snails to flee a predator
D.
Dead snails to find food
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.
Mangroves
B.
Brine shrimp and brine flies
C.
Crabs and oysters
D.
Grasses
E.
Seaweed
Question #13
What happens on Christmas Island?
A.
Birds circle every Christmas for turtle eggs
B.
Female crabs migrate to the sea
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.
To make sure the eggs get wet
B.
To lower the chance of drowning
C.
It is the time when all other animals avoid the beach
D.
To make sure the eggs stay dry
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