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	[[Category:Elephants]]		[[Category:Elephants]]
	[[Category:Ivory]]		[[Category:Ivory]]

			= Tusk =
			<gallery>
			File:Tanzanian_Elephant.jpg
			File:Xavliodontes.jpg
			</gallery>

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	~~'''~~Tusk''' is a long, pointed tooth, usually one of a pair, that extends outside the mouth of certain animals such as elephants, walruses, and narwhals. Tusks are used for a variety of purposes including digging, lifting objects, gathering food, and defense. They are also used in displays of dominance and for sexual selection.		== Tusk ==

	~~== Anatomy and Function ==~~		A '''tusk''' is an elongated, continuously growing front tooth that protrudes well beyond the mouth of certain mammal species. Tusks are most commonly associated with elephants, but they are also found in other animals such as walruses and narwhals. These structures are typically used for digging, lifting objects, gathering food, stripping bark from trees, and defense against predators.
	~~Tusks are~~ elongated, continuously growing front ~~teeth, usually in~~ the ~~form~~ of ~~canines or incisors~~. ~~They~~ are ~~composed of [[dentin]]~~, ~~a hard~~, ~~dense tissue that makes up the bulk of a tooth~~, ~~covered by a layer of [[enamel]]~~, ~~the hardest substance in the body. The interior of a tusk is filled with [[pulp]]~~, ~~which contains blood vessels~~ and ~~nerves~~.

	Tusks serve several functions depending on the animal species. In [[elephant]]s, tusks are used for digging, foraging, and fighting. [[Walrus]] tusks are used for climbing out of water and onto ice, and for fighting. [[Narwhal]] tusks, which are actually elongated upper left canines, are believed to be sensory organs, but their exact function is not fully understood.		== Characteristics ==

	== ~~Evolution~~ ==		Tusks are generally made of [[ivory]], a dense material that is highly valued for its beauty and durability. The tusks of elephants, for example, are modified incisors that grow throughout the animal's life. They are composed of dentin, a hard, dense, bony tissue, and are covered in a layer of enamel.
	~~The evolution~~ of tusks is a ~~result~~ of ~~both natural~~ and ~~sexual selection~~. In ~~some species~~, ~~only males have~~ tusks ~~which they use~~ for ~~fighting~~ and ~~to display dominance~~. In other ~~species~~, ~~both males~~ and ~~females~~ have ~~tusks~~. ~~The size~~ and ~~shape of tusks can vary greatly among species~~ and ~~even among individuals within~~ a ~~species~~.
			=== Elephant Tusks ===

			[[File:Tanzanian_Elephant.jpg\|thumb\|right\|An African elephant with prominent tusks]]

			Elephant tusks are among the most well-known and are a defining feature of both [[African elephants]] and [[Asian elephants]]. African elephants typically have larger tusks than their Asian counterparts. These tusks can weigh over 100 kilograms and grow up to 3 meters in length. They are used for a variety of purposes, including digging for water, stripping bark from trees, and as a tool for moving objects.

			=== Other Animals ===

			[[File:Xavliodontes.jpg\|thumb\|right\|A depiction of a prehistoric animal with tusks]]

			In addition to elephants, other animals such as [[walruses]] and [[narwhals]] also possess tusks. Walrus tusks are elongated canines that can grow up to 1 meter long and are used for hauling out onto ice and for defense. Narwhals, on the other hand, have a single long tusk that is actually an elongated tooth, which can grow up to 3 meters in length.

			== Uses and Cultural Significance ==

			Tusks have been used by humans for thousands of years. They are often carved into intricate designs and used in art and jewelry. The trade in elephant ivory has been a significant issue due to its impact on elephant populations, leading to international efforts to ban or regulate the ivory trade.

	== Conservation ==		== Conservation ==
	Many animals with tusks are threatened by [[poaching]] for their ivory, which is highly valued in some cultures for its beauty and rarity. This has led to significant declines in populations of tusked animals, particularly elephants. Efforts to conserve these species and their habitats are ongoing.

	== ~~See Also~~ ==		The demand for ivory has led to the illegal poaching of elephants, significantly threatening their populations. Conservation efforts are focused on protecting these animals and their habitats, as well as enforcing bans on the ivory trade.
	* [[Ivory ~~trade~~]]
			== Related pages ==
			* [[Ivory]]
	* [[Elephant]]		* [[Elephant]]
	* [[Walrus]]		* [[Walrus]]
	* [[Narwhal]]		* [[Narwhal]]

			{{Commons category\|Tusks}}

	[[Category:Animal anatomy]]		[[Category:Animal anatomy]]
	[[Category:~~Teeth~~]]		[[Category:Elephants]]
	[[Category:Ivory]]		[[Category:Ivory]]

	~~{{stub}}~~

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New page

'''Tusk''' is a long, pointed tooth, usually one of a pair, that extends outside the mouth of certain animals such as elephants, walruses, and narwhals. Tusks are used for a variety of purposes including digging, lifting objects, gathering food, and defense. They are also used in displays of dominance and for sexual selection.

== Anatomy and Function ==
Tusks are elongated, continuously growing front teeth, usually in the form of canines or incisors. They are composed of [[dentin]], a hard, dense tissue that makes up the bulk of a tooth, covered by a layer of [[enamel]], the hardest substance in the body. The interior of a tusk is filled with [[pulp]], which contains blood vessels and nerves.

Tusks serve several functions depending on the animal species. In [[elephant]]s, tusks are used for digging, foraging, and fighting. [[Walrus]] tusks are used for climbing out of water and onto ice, and for fighting. [[Narwhal]] tusks, which are actually elongated upper left canines, are believed to be sensory organs, but their exact function is not fully understood.

== Evolution ==
The evolution of tusks is a result of both natural and sexual selection. In some species, only males have tusks which they use for fighting and to display dominance. In other species, both males and females have tusks. The size and shape of tusks can vary greatly among species and even among individuals within a species.

== Conservation ==
Many animals with tusks are threatened by [[poaching]] for their ivory, which is highly valued in some cultures for its beauty and rarity. This has led to significant declines in populations of tusked animals, particularly elephants. Efforts to conserve these species and their habitats are ongoing.

== See Also ==
* [[Ivory trade]]
* [[Elephant]]
* [[Walrus]]
* [[Narwhal]]

[[Category:Animal anatomy]]
[[Category:Teeth]]
[[Category:Ivory]]

{{stub}}

Tusk - Revision history

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