Fish
their circulation system
Closed, single loop
Name example of amphibians.
turtle.
What are their eggs called?
Terrestrial.
Which type of symmetry do they have?
Bilateral.
What are animals that have spine bone called?
Vertebrate.
What things do their body need to able to move in water?
Paired fins, fan-like structures
What is their circulation system?
Double loop.
Describe their circulation system
They have chambers, are closed circulatory, also has double loop.
What are their eggs called?
Amniote egg.
What are mammary glands use for?
to produce milk in mammals.
What do they breathe through?
Gills.
Do all of them can adapt to live on land?
No.
What do they use to breathe?
Lungs.
why do they have hollow bone?
To decrease weight when they fly.
Which type of animal is the most complex vertebrate
Mammals.
How do they reproduce? Internally or Externally?
External
Are they double life? Or single life?
Double life.
Are they cold-blooded? Or warm-Blooded?
Cold Blooded.
what are air sacs use for?
It helps a bird meet its oxygen demand during flying.
How many mammals are in earth by recording?
More than 4000
what function is the lateral line system?
to sense vibrations in the water.
When they are young, what do they breathe through?
skin.
Do they have external fertilization? Or Internal fertilization?
Internal fertilization.
Name the types of beaks they have.
Spear like, hooked, chisel shaped.
Where does the notochord located.
It is along the spine, connecting to the skull.