Question

What is the primary characteristic on which the broad division of organisms is made?​

Answer 1

Explanation:

nature of cell

The primary characteristic on which the broad division of organisms is made is nature of cell . Based on this we classify all organism as prokaryotic or eukaryotic.

Answer 2

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Organisation of nucleus is the primary characteristic on which the first division of organisms is made. Based on this, organisms can be either prokaryotic or eukaryotic.