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How is a key helpful in the identificati...

How is a key helpful in the identification and classification of an organism?

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A scheme for identification of plants and animals is known as a key. This method of identification is based upon the contrasting characters. Separate taxonomic categories required separate taxonomic keys. Taxonomic key is a kind of taxonomic aid. It is helpful in identification of plants and animals on the basis of similarity and differences. It represents the choice made between two opposite options. The results in acceptance of only one and rejection of the other. Taxonomic keys are generally analytical in nature.
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