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Dolphins & Porpoises
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What is the easiest way to tell a dolphin from a porpoise?
Dolphins have larger heads and longer snouts.
Dolphins have teeth but porpoises do not.
Porpoises have spots.
It is thought that the dorsal fin on a dolphin's back
warns prey when dolphins are on the hunt.
is for decoration.
helps to balance the dolphin.
Like bats, dolphins rely on
Do dolphins make sounds below water?
Yes, they make "creaky door" sounds underwater.
Yes, they "click" and make sounds too high for us to hear.
Do dolphins use tools?
Yes, they use rocks to break open clams.
Yes, they use coral reefs to corner and capture fish.
Yes, they use reeds to lure fish out of caves.
If a shark attacks, what is the most effective way dolphins can defend themselves?
By swimming away as fast as they can.
By surrounding the shark and ramming it in the belly with their noses.
Dophins are called
How many different species are there in the dolphin family?
How do dolphins keep saltwater from irritating their eyes?
Their eyes are protected by a jellylike substance.
They keep their eyes closed underwater.
They have an extra see-through eyelid on each eye.
Using sonar, a dolphin can detect a fish the size of a minnow
from 10 feet away.
from 50 feet away.
from 50 yards away.
How does a healthy dolphin help a sick dolphin?
The healthy dolphin catches fish for the sick dolphin.
The healthy dolphin supports the sick dolphin at the surface so it can breathe.
The healthy dolphin "sings" a whale song.
The fold pattern in a dolphin's brain most closely resembles the brain folds of
If you ever come across a stranded dolphin, what should you do?
Push it back out to sea.
Keep it wet and call an aquatic park for rescue.
Rub sunscreen lotion on it.
Ancient fishermen thought it was a bad omen if
dolphins jumped alongside their boats three times.
dolphins rode waves.
dolphins got killed in the fishermen's nets.
LIke all mammals, dolphins have hair. Where is it?
All their lives they have a few haris around their blowholes.
A birth there are a few whiskers around the mouth, which are soon lost.
They have eyelashes.
What are flukes?
Flukes are another name for flippers.
Flukes are lucky events in a dolphin's life.
Flukes are the flat part of a dolphin's tail.
How many nostrils do dolphins have?
Why do dolphins have such sharp teeth?
To grab and hold fish
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