Question

what is keys . mention various terms used during use of keys as taxonomical aid ​

Answer 1

keys are used to classify organisms on the basis of two contrasting traits, where these two contrasting traits are called couplet and the single one is called lead. Keys are analytical in nature.

Answer 2

Answer:

• Key is a taxonomical aid used for identification of plants and animals based on the similarities and dissimilarities.
• The keys are based on the contrasting characters generally occurring in a pair called couplet.
• It represents the choice made between two opposite options.
• This results in acceptance of one and rejection of the other.
• Each statement in the key is called a lead.
• Separate taxonomic keys are required for each taxonomic category such as family, genus and species for identification purposes.
• Keys are generally analytical in nature.