Question

First true phylogenetic system of classification was given by

Answer 1

In the century after Linnaeus published his system of classification, ideas about classifying organisms began to change. In 1859, Darwin published his major work on evolution, On the Origin of Species by Natural Selection.

Answer 2

First true phylogenetic system of classification was given by Eichler.

Explanation:

• Eichler classified the plant kingdom into two sub-kingdoms namely Cryptogamae (absence of flowers and seeds and reproduces by spores) and Phanerogamae (presence of flowers and seeds) in the year 1833.
• He accepted the concept of evolution and considered the simple characters with respect to related plants. Phylogenetic classification system is based on the evolutionary ancestry.
• It is based on the evolution of life and shows the genetic relationships among organisms. It generates trees called cladograms, which are groups of organisms that include an ancestor species and its descendants.
• Classifying organisms on the basis of descent from a common ancestor is called phylogenetic classification.

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