Question

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

Answer 1

Answer:

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Answer 2

Answer:

Key is a taxonomic aid for identification of unknown organism based on similarities and dissimilarities. (b) It is based on couplet (pair of contrasting characters). (c) These are analytical in nature and separate keys are needed for every taxonomic category like genus, order, family, phylum and species.

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