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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 regeneration of the lens has been studied in several vertebrate species, especially the newt, which is able to repeatedly regenerate a perfect lens. [11] One study found that the lens of a newt that had been extracted and regenerated 18 times was indistinguishable from the lens of a control newt in terms of appearance and gene expression. [12]
Sunflower sea star regenerates its arms. Dwarf yellow-headed gecko with regenerating tail. Regeneration in biology is the process of renewal, restoration, and tissue growth that makes genomes, cells, organisms, and ecosystems resilient to natural fluctuations or events that cause disturbance or damage. [1]
The tail is used in courtship and as a storage organ for proteins and lipids. It also functions as a defense against predation, when it may be lashed at the attacker or autotomised when grabbed. Unlike frogs, an adult salamander is able to regenerate limbs and its tail when these are lost. [14]
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How Being Overweight Can Harm a Dog Obesity in pets can lead to many health problems , such as joint problems, heart disease and respiratory issues, skin problems, and an overall loss of quality ...
This is the most important question anyone can ask at the start of a new year. One of the first things a retiree can do at the beginning of 2025 is to review their budget and ensure they are not ...
When seen from below by a predator, the animal's light helps to match its brightness and colour to the sea surface above. Counter-illumination is a method of active camouflage seen in marine animals such as firefly squid and midshipman fish , and in military prototypes, producing light to match their backgrounds in both brightness and wavelength.