DENDROLOGY

Detailed explanation-1: -New organisms are constantly being discovered and for classifying them, a new system needs to be used. This is why the new classification system is constantly developed to classify organisms based on the similarity in characters.

Detailed explanation-2: -Levels of Classification. The classification system commonly used today is based on the Linnean system and has eight levels of taxa; from the most general to the most specific, these are domain, kingdom, phylum (plural, phyla), class, order, family, genus (plural, genera), and species.