Thursday, January 27, 2011
Saturday, January 1, 2011
Turtle - Aquatic turtles (water), Tortoise - tortoise terrestrial (land), and Terrapin - semi-aquatic turtles - is a reptile of the order Testudines (all turtles are included in a large group Chelonia), most of them have body protected by a special bone or cartilaginous shell that is formed from the ribs. The Order Testudines includes species that are still existing and extinct, turtles are the earliest appear have existed since around 215 million years ago, making turtles are the oldest reptile groups, and the most ancient group than lizards and snakes. About 300 species that still exist today, most are threatened with extinction. Turtles are ectothermic animals.