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.
The Amazon River, Brazil
B.
Athens, Greece
C.
Los Angeles
D.
Kangaroo Island, Australia
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.
Sight
B.
Touch
C.
Hearing
D.
Smell
Question #5
What animals (besides humans) can surf?
A.
Lobsters
B.
Crabs
C.
Flounder
D.
Snails
E.
Starfish
Question #6
Why do they do this?
A.
To get to food faster
B.
For the fun of it
C.
To hide from predators
D.
To flee from predators
Question #7
Why does the flounder have its unique shape?
A.
To attract more mates
B.
To hear better in the sand
C.
To see 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 weakest after the full and new moon
B.
When the tides are the strongest immediately 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 after the first and third quarter
Question #9
Where does the razor fish hide from the bottlenose dolphins?
A.
In the sand
B.
Underneath boats
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.
Dead snails to find new homes
B.
Dead snails to find food
C.
Fish remains to warn of dangerous predators in the area
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.
Brine shrimp and brine flies
B.
Grasses
C.
Seaweed
D.
Crabs and oysters
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.
Birds circle every Christmas for turtle eggs
D.
Female crabs migrate to the sea
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.
To make sure the eggs stay dry
D.
It is the time when all other animals avoid the beach
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