Question

what is the primary characteristic for classifying organisms?​

Answer 1

The major characteristics considered for classifying all organisms into five major kingdoms are:

whether they are made of prokaryotic or eukaryotic cells.

whether the cells are living singly or organised into multicellular and thus complex organisms.

More items.

Answer 2

Answer:

The primary characteristic on which the first division of organisms is made is the nature of the cell. It is considered to be the fundamental characteristic for classifying all living organisms. Nature of the cell includes the presence or absence of membrane-bound organelles. Therefore, on the basis of this fundamental characteristic, we can classify all living organisms into two broad categories of eukaryotes and prokaryotes. Then, further classification is made on the basis of cellularity or modes of nutrition.

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