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Turtle graphics are often associated with the Logo programming language. [2] Seymour Papert added support for turtle graphics to Logo in the late 1960s to support his version of the turtle robot, a simple robot controlled from the user's workstation that is designed to carry out the drawing functions assigned to it using a small retractable pen set into or attached to the robot's body.
Turtle graphics were added to the Logo language by Seymour Papert in the late 1960s to support Papert's version of the turtle robot, a simple robot controlled from the user's workstation that is designed to carry out the drawing functions assigned to it using a small retractable pen set into or attached to the robot's body.
The green sea turtle ( Chelonia mydas ), also known as the green turtle, black (sea) turtle or Pacific green turtle, [ 4] is a large species of sea turtles of the family Cheloniidae. It is the only species in the genus Chelonia. [ 5] Its range extends throughout tropical and subtropical seas around the world, with two distinct populations in ...
An 1877 drawing of the world supported on the backs of four elephants, themselves resting on the back of a turtle. The World Turtle, also called the Cosmic Turtle or the World-bearing Turtle, is a mytheme of a giant turtle (or tortoise) supporting or containing the world. It occurs in Hindu mythology, Chinese mythology, and the mythologies of ...
Turtle (also called American Turtle) was the world's first submersible vessel with a documented record of use in combat. It was built in 1775 by American David Bushnell as a means of attaching explosive charges to ships in a harbor, for use against the Royal Navy during the American Revolutionary War. Connecticut Governor Jonathan Trumbull ...
Archelon is an extinct marine turtle from the Late Cretaceous, and is the largest turtle ever to have been documented, with the biggest specimen measuring 4.6 m (15 ft) from head to tail and 2.2–3.2 t (2.4–3.5 short tons) in body mass. It is known only from the Pierre Shale and has one species, A. ischyros.
Common box turtle. The common box turtle ( Terrapene carolina) is a species of box turtle with five existing subspecies. It is found throughout the Eastern United States and Mexico. The box turtle has a distinctive hinged lower shell that allows it to completely enclose itself, like a box. Its upper jaw is hooked.
The southern painted turtle ranges from extreme southern Illinois and Missouri, roughly along the Mississippi River Valley, to the south. In Arkansas, it branches out to the west towards Texas, where it is found in the far northeast part of that state ( Caddo Lake region) [13] as well as extreme southeastern Oklahoma ( McCurtain County ). [14]
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