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.
The Amazon River, Brazil
D.
Athens, Greece
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 ambushing predators along the shore
C.
By stealing the food of other animals
D.
By using the tide to wash out to sea and ambush animals
Question #4
How do the bears in Alaska find the clams?
A.
Smell
B.
Sight
C.
Touch
D.
Hearing
Question #5
What animals (besides humans) can surf?
A.
Crabs
B.
Lobsters
C.
Starfish
D.
Snails
E.
Flounder
Question #6
Why do they do this?
A.
To get to food faster
B.
To hide from predators
C.
For the fun of it
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 swim faster than any other fish
D.
To see 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 sand
B.
In the mouths of whale sharks
C.
Among sharp jagged rocks
D.
Underneath boats
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.
Salt forms
B.
Dolphins get stuck on the beach
C.
Stingrays get stuck on the beach
Question #12
What do flamingos eat?
A.
Brine shrimp and brine flies
B.
Seaweed
C.
Crabs and oysters
D.
Mangroves
E.
Grasses
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 make sure the eggs stay dry
C.
It is the time when all other animals avoid the beach
D.
To lower the chance of drowning
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