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A white-headed dwarf gecko with tail lost due to autotomy. Autotomy (from the Greek auto-, "self-" and tome, "severing", αὐτοτομία) or 'self-amputation', is the behaviour whereby an animal sheds or discards an appendage, [1] usually as a self-defense mechanism to elude a predator's grasp or to distract the predator and thereby allow escape.
The incisors and cheek teeth of rabbits are called aradicular hypsodont teeth. Aradicular teeth never form a true root with an apex, and hypsodont teeth have a high crown to root ratio (providing more room for wear and tear). [4] This is sometimes referred to as an elodont dentition, meaning ever-growing. These teeth grow or erupt continuously.
A white-tailed deer's tail. The tail is the elongated section at the rear end of a bilaterian animal's body; in general, the term refers to a distinct, flexible appendage extending backwards from the midline of the torso. In vertebrate animals that evolved to lose their tails (e.g. frogs and hominid primates), the coccyx is the homologous ...
Much like elephants, manatees are polyphyodonts, continuously replacing their teeth from the back of the jaw. Adults lack incisors, canines, and premolars, and instead have eight to ten cheek teeth. Manatees have an unlimited supply of teeth moving in from the back and shedding in the front; these are continuously formed by a dental capsule ...
The AOL.com video experience serves up the best video content from AOL and around the web, curating informative and entertaining snackable videos.
America's Funniest Home Videos is based on the 1986–1992 Tokyo Broadcasting System variety program Kato-chan Ken-chan Gokigen TV (also known as Fun TV with Kato-chan and Ken-chan), which featured a segment in which viewers were invited to send in video clips from their home movies; ABC, which holds a 50% ownership share in the program, pays a royalty fee to TBS Holdings, Inc. for the use of ...
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When diving, their heart rate decreases to 60 beats per minute, half its normal pace, and blood flow is directed more towards the brain. A beaver's body also has a high tolerance for carbon dioxide. When surfacing, the animal can replace 75 percent of the air in its lungs in one breath, compared to 15 percent for a human. [31] [38]