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.
When the Sun and Moon pull opposite weakening the tide
C.
The first tide in the morning
D.
The first tide of the month
Question #2
Name a place where a tidal bore occurs?
A.
Alexandria, Egypt
B.
Kangaroo Island, Australia
C.
Los Angeles
D.
Athens, Greece
E.
The Amazon River, Brazil
Question #3
How do the crabs in northern Australian feed?
A.
By ambushing predators along the shore
B.
By sorting through the sand during low tide for miofauna
C.
By using the tide to wash out to sea and ambush animals
D.
By stealing the food of other animals
Question #4
How do the bears in Alaska find the clams?
A.
Sight
B.
Hearing
C.
Touch
D.
Smell
Question #5
What animals (besides humans) can surf?
A.
Crabs
B.
Starfish
C.
Lobsters
D.
Snails
E.
Flounder
Question #6
Why do they do this?
A.
To flee from predators
B.
To get to food faster
C.
To hide from predators
D.
For the fun of it
Question #7
Why does the flounder have its unique shape?
A.
To swim faster than any other fish
B.
To see better in the sand
C.
To hear better in the sand
D.
To attract more mates
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.
In the mouths of whale sharks
C.
Underneath boats
D.
Among sharp jagged rocks
Question #10
What smell does the hermit crab detect in the water? Why?
A.
Dead snails to find new homes
B.
Live snails to flee a predator
C.
Dead snails to find food
D.
Fish remains to warn of dangerous predators in the area
Question #11
What happens in the Bahamas when the tide retreats?
A.
Salt forms
B.
Dolphins get stuck on the beach
C.
Stingrays get stuck on the beach
Question #12
What do flamingos eat?
A.
Grasses
B.
Seaweed
C.
Crabs and oysters
D.
Brine shrimp and brine flies
E.
Mangroves
Question #13
What happens on Christmas Island?
A.
Snakes hatch on Christmas to hunt crabs forcing the crabs to flee to the ocean
B.
Female crabs migrate to the sea
C.
Birds circle every Christmas for turtle eggs
D.
Rats hunt with crabs for bird eggs during the New Moon
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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