difrence between vertibrate and in vertibrate

2. vertebrates
Vertebrates are those creatures that have backbone.
 Vertebrates are classified into five main groups that
are :
Fish
Amphibians
Reptiles
Birds
Mammals

3. Classification of fish
Some characteristics of fish are:
They are cold blooded
They can live only in water
They have scales on their body
They have fins to swim
They have gills to breath
They have backbone
For example: sea hose

4. Classification of Amphibians
Some characteristics of amphibians are:
They are cold blooded
They lay eggs in water
They have naked skin
Their young one have gills
They reproduce in water
They have back bone
For example: frog

5. Classification of reptiles
Some cha racteristics of reptiles are:
They are warm blooded
They have waterproof eggs
They have hard scales
They can reproduce without water
They have backbone
For example: lizard

6. Classification of birds
They are warm blooded
They have shelled eggs
They have feathers
They have wings to fly
They live in drier places
For examples: eagles

7. Classification of mammals
Some characteristics of mammals are:
They are warm blooded.
They give birth to the young one
They produce milk
They have hair on their body
They live in drier places
For example: human

8. Unusual creatures
There are some creatures that have unusual character
sticks .
For example: whale
Whale are unusual creatures. They have very little hair
on their bodies are streamlined, but like other
mammals they give birth to a young one , there
offspring are feeded on milk for at least 6 months.