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The turtle shell is a shield for the ventral and dorsal parts of turtles (the order Testudines), completely enclosing all the vital organs of the turtle and in some cases even the head. [1] It is constructed of modified bony elements such as the ribs, parts of the pelvis and other bones found in most reptiles.
Turtle skulls vary in shape, from the long and narrow skulls of softshells to the broad and flattened skull of the mata mata. [25] Some turtle species have developed large and thick heads, allowing for greater muscle mass and stronger bites. [26] Turtles that are carnivorous or durophagous (eating hard-shelled animals) have the most powerful bites.
When the turtle protracts its limbs, the pressure inside the lungs is reduced, and the turtle can suck air in. Turtle lungs are attached to the inside of the top of the shell (carapace), with the bottom of the lungs attached (via connective tissue) to the rest of the viscera.
Turtles can be found anywhere, from local ponds and the deep, blue sea to an aquarium tank in your bedroom. These aquatic, semiaquatic or terrestrial creatures are easily recognized thanks to ...
The inside of the turtle's mouth is camouflaged, and it possesses a vermiform (worm-shaped) appendage on the tip of its tongue used to lure fish, a form of aggressive mimicry. With its unique head morphology research suggests this species has strong natural selection for bite performance, can directly or indirectly affect fitness. [ 22 ]
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Diagram of a prawn, with the carapace highlighted in red. A carapace is a dorsal (upper) section of the exoskeleton or shell in a number of animal groups, including arthropods, such as crustaceans and arachnids, as well as vertebrates, such as turtles and tortoises.
Turtles have sturdily marched, climbed and swum through time for millions of years. A rescue league offers aid in a time of human-made challenges. A haven for hard tops: Turtle Rescue League in ...