What are Reptiles:
What are Reptiles Reptiles are tetrapods and amniotes, animals whose embryos are surrounded by an amniotic membrane, and members of the class Sauropsida.
Crocodilia (crocodiles, caimans, and alligators) 23 species
Sphenodontia (tautaras from New Zealand) 2 species
Squamata (Lizards, Snakes, Amphisbaenids (worm lizards)) approx. 7900 species
Testudines (turtles) approx. 300 species
Facts of Reptiles:
Facts of Reptiles Reptiles kill large number of insects and small rodents
Reptiles share certain fundamental characteristics, features they retain from the time when reptiles replaced amphibians as the dominant terrestrial vertebrates
Like their dinosaur ancestors, modern reptiles have a brain that is small in relation to their body. Such as the alligator being about 8ft only has a brain the size of a walnut.
Key Features of Reptiles:
Key Features of Reptiles Strong, bony skeleton and toes with claws
Ectothermic metabolism Dry Scaly skin, almost watertight
Amniotic eggs, almost watertight
Respiration through well-developed lungs
Ventricle of heart partly divided by a septum
Internal fertilization
Reproduction:
Reproduction
A Reptiles Heart:
A Reptiles Heart
As can be seen a Texas Horned Toad is using it’s skin color to blend to it’s surroundings, CAMOUFLAGING in other words, which is an important trait for reptiles because it is what they use for PROTECTION and to HUNT.:
As can be seen a Texas Horned Toad is using it’s skin color to blend to it’s surroundings, CAMOUFLAGING in other words, which is an important trait for reptiles because it is what they use for PROTECTION and to HUNT.
Slide8:
Worm Lizard Chameleon Turtle Pictures of Reptiles Crocodile Snakes Komodo Dragon
Biblio-thingy:
Biblio-thingy http://en.wikipedia.org/wiki/Reptilia
http://animaldiversity.ummz.umich.edu/site/accounts/information/Reptilia.html