He was the first person to place humans in a system of biological classification.

The aim of this is to make biological classification fit what we know about the way organisms evolved.

This name is part of the biological classification of that species.

Species is one of the basic units of biological classification.

However, at this time, cladistics, which appeared in the 1950s, was starting to change scientists' approach to biological classification.

At the close of the 18th century, his system had effectively become the standard system for biological classification.

The basis for this biological classification was the observed shared physical features of the species.

It reflects a paucity of data that makes biological classification impossible.

It is the opinion of the authors that precancers should have a biological classification.

A genus is a group of similar species in the biological classification.