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.
When the Sun and Moon pull opposite weakening the tide
D.
The first tide of the month
Question #2
Name a place where a tidal bore occurs?
A.
The Amazon River, Brazil
B.
Los Angeles
C.
Kangaroo Island, Australia
D.
Alexandria, Egypt
E.
Athens, Greece
Question #3
How do the crabs in northern Australian feed?
A.
By ambushing predators along the shore
B.
By using the tide to wash out to sea and ambush animals
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.
Sight
B.
Hearing
C.
Smell
D.
Touch
Question #5
What animals (besides humans) can surf?
A.
Starfish
B.
Lobsters
C.
Crabs
D.
Snails
E.
Flounder
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 hear better in the sand
D.
To swim faster than any other fish
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 full and new moon
C.
When the tides are the strongest after the first and third quarter
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.
Underneath boats
B.
In the sand
C.
Among sharp jagged rocks
D.
In the mouths of whale sharks
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 new homes
C.
Fish remains to warn of dangerous predators in the area
D.
Dead snails to find food
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.
Grasses
B.
Seaweed
C.
Mangroves
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.
Birds circle every Christmas for turtle eggs
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 get wet
D.
To make sure the eggs stay dry
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