Animals are a major group of organisms, classified as the kingdomAnimalia 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
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.
More on [ Animal ]
Animal Welfare: Human-dependent Animals - Collection of articles concerning the care and management of horses and cats, particularly with relevance to conditions in Australia.
BBC News - 'Torture chamber' Agony of China's Bears - Thousands of bears are being kept in torture chambers to produce bile for Chinese medicine, wildlife campaigners say.
Meta Description: [ Thousands of bears are being kept in "torture chambers" to produce bile for Chinese medicine, wildlife campaigners say. ]
500It's Their Destiny - Highlights the fate suffered by millions of cats and dogs each year in South Korea which are processed for human consumption. News, photos, forum, related links, and petitions.
Meta Description: [ Korean Animals. Over 2 million dogs and cats are tortured to death annually in South Korea to improve the quality of their flesh. ]
Panda Paws: Protecting the Bears - Articles about how bears are exploited worldwide plus a petition to ban hunting black bears in America. Lowell, Massachusetts, USA.
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