Question

What was the basis for early classification?

Answer 1

The basis of early classification were simple morphological characters to classify in trees herbs and sherbs and animals to which had red blood and those that did not.This classification was given by Aristotle.

●Then Linnaeus gave two kingdom and basis were presence or absence of cell wall,movement and locootmion and mode of nutrition.

●Then thress kingdom given by Ernst Hackel with kingdom protista.

●four kingdom by copeland with classification basis as single celled and double celled.

●at last five kingdom by whittaker and basis were complexity of cell structure,mode of nutrition,nature of cell wall,m ethod of reproduction, and evolutionary relatioshipns.

Answer 2

Basis for early classification:

• Living organisms were 1st classified on the basis of different factors as explained below.  

• Living organisms have been classified by different scientists on different basis.

Some of them are:

• Firstly they were classified on basis of their body structure and characteristics into plants and animals by Aristotle.  

• Secondly, plants were divided on basis of their medical importance by Charaka and Susrata.  

• Thirdly, plants are extensively divided on their characteristics of their reproductive parts by Parashar.  

• Fourthly, they were divided on basis of their habitat and similarities and dissimilarities with other known organisms.  

• Organisms were also classified according to their photosynthetic habits and non photosynthetic habits as producers and consumers.