general characteristics of reptiles

1. General
characteristics of
vertebrates

2.  They have a highly developed brain.
Human´s brain Horse´s brain
 They have a well-developed internal skeleton of cartilage
and bone.
Human´s
skeleton
Cow´s
skeleton

3.  They have an advanced nervous system:
-They have well developed sensory organs.
-They can react very quickly to changes in their surroundings .
-These animals can learn from their mistakes.

4.  They can live in air, land or sea.
 They can move.

5.  They are heterotrophic.
 They have a respiratoriy system with
either gills or lungs.

6.  They have an outer covering of protective
cellular skin.
 They have bilateral symmetry
 plan.

7.  Vertebrates are only 2% of the animal species.
 Humans beings
are vertebrates.
Animal Kingdom
Vertebrates
Invertebrates

9. Reptiles are a group of animals that breathe air.
Their bodies are cold-blooded
They have scales on their bodies and they lay eggs.

10. They do not require as much food as warm-blooded animals.
They don´t have metamorphosis.
 They look like a miniature adult when they are born.

11. Reptiles usually have four limbs, but some reptiles have no limbs like the
snake. Scales are made of keratin, skin is found under the scales.
They have leathery eggs laid on land or they keep eggs in their bodies until
they hatch.
Their reproduction includes internal fertilization.
Reptiles have scales wich act as a sort of armor to physically defend their
body.

12. Comic life

16. The end