Question

what is key mention various terms used during use of keys as taxonomical AIDS​

Answer 1

key is a taxonomic aid based on two contrasting charecters.

lead is the statement in key.

couplet is the two statements in key.

hope it helps u.

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.