Animals are a major group of organisms, classified as the kingdom Animalia or Meta­zoa. In general they are multi­cellular, capable of locomotion, responsive to their environment, and feed by consuming other organisms. Their body plan becomes fixed as they develop, usually early on in their development as embryos, although some undergo a process of metamorphosis later on.

The word "animal" comes from the Latin word animal, of which animalia is the plural, and ultimately from anima, meaning vital breath or soul.

Characteristics

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Animals have several characteristics that set them apart from other living things. Animals are eukaryotic and usually multicellular (although see Myxozoa), which separates them from bacteria and most protists. They are heterotrophic, generally digesting food in an internal chamber, which separates them from plants and algae. They are also distinguished from plants, algae, and fungi by lacking cell walls.

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RT @AnimalTheory: A true 'wow' photo: Twig catfish releasing eggs during spawn http://bit.ly/930Zaq #fish #animals
almeyda64 (Annie Almeyda) Mon, 23 Nov 2009 19:50:36 -0000
RT @AnimalTheory: A true 'wow' photo: Twig catfish releasing eggs during spawn http://bit.ly/930Zaq #fish #animals
Please pray for the hundreds of thousands of animals that are about to be sacrificed tonight in Nepal for an annual ritual slaughter.
aniyeshi (Lisa Banana) Mon, 23 Nov 2009 19:50:00 -0000
Please pray for the hundreds of thousands of animals that are about to be sacrificed tonight in Nepal for an annual ritual slaughter.
RT @amynichols: Pet Airways provides Thanksgiving "Flight to Freedom" for homeless animals http://bit.ly/8myA6z
Prozoovita (Fundación Prozoovita) Mon, 23 Nov 2009 19:49:50 -0000
RT @amynichols: Pet Airways provides Thanksgiving "Flight to Freedom" for homeless animals http://bit.ly/8myA6z
RT @CipherBreaker: Americans...BO and his globalists are on the defensive and will act like cornered animals...be prepared for their cou ...
Gregory_Hensley (Gregory Hensley SD.) Mon, 23 Nov 2009 19:49:50 -0000
RT @CipherBreaker: Americans...BO and his globalists are on the defensive and will act like cornered animals...be prepared for their cou ...
These funny animals (46 pics) » Izismile.com - In fun we trust! http://r.ontb.nl/59
RonterBurg (Ron ter Burg) Mon, 23 Nov 2009 19:49:42 -0000
These funny animals (46 pics) » Izismile.com - In fun we trust! http://r.ontb.nl/59
recovering from John's a increadick pizza, i hate places where u pay 2 have ur children act like animals,mine do it everyday free of charge
BunkaSnchzx2 (Blanca Sanchez) Mon, 23 Nov 2009 19:49:24 -0000
recovering from John's a increadick pizza, i hate places where u pay 2 have ur children act like animals,mine do it everyday free of charge

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