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Question

Classification of living organisms based on their evolutionary relationship is called

A
artificial system
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B
natural system
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C
numerical taxonomy
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D
phylogenetic system
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Solution

The correct option is D phylogenetic system
Phylogenetic system of classification was proposed by John Hutchinson. It is based on the evolutionary relationships between organisms.

Artificial system by Carl Linnaeus was a superficial system of classification based on superficial morphological characters such as habit, colour, number and shape of leaves.

Natural system by Benthem and Hooker was based on not just the external characters but also internal ones like ultrastructure, anatomy, embryology and phytochemistry.

Numerical taxonomy is classifying organisms using hundreds of characters at the same time. Here, every character is assigned a numerical value and code. And then the data is processed in such a way that each character is given equal importance.

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