How is key helpful in the identification and classification of an organism?
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Answer:
Key is a taxonomical aid that helps in identification of plant and animal species. These keys are based on similarities and dissimilarities in characters, generally in a pair called couplet. Each statement in a taxonomic key is referred to as a lead. ... It is also useful in identification of unknown organisms.....
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Answer :
Key is a taxonomical aid used for identification of plants and animals based on the similarities and dissimilarities.
The keys are based on contrasting characters generally in a pair called couplet. Selection of one character leads to rejection of another character while identifying a particular species or genera or family and so on.
For example presence or absence of hair on body can give a clue if an animal belongs to mammals or not.
Separate taxonomic keys are required for each taxonomic category such as family, genus and species for the purpose of identification.
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