Sharks, tuna, and barracuda all have what eating habit?
All are carnivores.
A fish heart has how many chambers?
Two
How can you tell that an amphibian is poisonous?
It is brightly colored.
Frog hearts have ___ chambers.
3
The largest fish in the world is the _____.
Whale shark
Shark skeletons are made of ____.
Cartilage
What is the swim bladder used for in a fish?
For buoyancy in water.
There are around ____ species of amphibians.
4000
Heyfish and lampreys have what in common?
They are jawless
Lightning or sharks: which one kills more people
Lightning
Sharks can detect a drop of blood in only ___ of ocean water.
115 liters
What do fish kidneys do if the fish is in Fresh water?
Pump water out
Rays and skates live in what part of the ocean?
The bottom
What is unique about the frog eye?
Has a transparent membrane over it
What fish can detect the odor from the stream it was hatched in?
Salmon
A shark usually has around ____ teeth.
3000
Fish are oviparous which means they _______.
Lay eggs
Amphibians protect themselves by running, camaflouge, chemicals, and ___.
Hiding
What is the most unique way that fish protect their young?
Hold eggs and young in their mouth.
To be called a fish, what 3 things does it have?
Scales, fins, gills
Name the 3 classes of fish.
Jawless, sharks, bony fish
For their diet, hagfish eat ____ and ____.
dead and dying fish
Amphibians have to live near water because larva need water, eggs don't have a shell, and ____.
Skin can't dry out so it can breathe
The cerebellum in a frog brain controls ___.
Body movements
Name 3 ways that amphibians help the world.
1) eat insects, 2) food for humans, 3) poison used by hunters, 4) research on poisons, 5) study on regeneration