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Sunday 7 February 2010

Need and Bases of Biological Classification


Early in human history it was found useful to know in advance , which plants were poisonous, which animals were dangerous, which were good to hunt for food and so on. It was soon noticed that all the living organism possessed certain consistent features or characters by which they could be identified and sorted into recognizable distinct groups.
The organism can be identified or sorted into different groups on the basis of characters, the organism possesses. Now the question arises " what is a character " ?. A character can be defined as " any attribute or descriptive phrase, referring to form, structure or behavior of specific organism for a particular purpose, thus character is any thing or any feature whose expression can be measured or other-wise assessed. Taxonomist mostly deals with the expressions of the character.

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