Question

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what is the primary characteristics on which the board division of organisms is made?​

Answer 1

The more basic characteristic for classifying organisms is the kind of cells they are made of because different organisms may share same habitat but may have entirely different form and structure. So, the place where they live cannot be a basis of classificationThe advantages of classifying organisms are as follows: (i) Classification facilitates the identification of organisms. (ii) helps to establish the relationship among various groups of organisms. (iii) helps to study the phylogeny and evolutionary history of organisms.Thallophyta is a division of the plant kingdom including primitive forms of plant life showing a simple plant body. Including unicellular to large algae, fungi, lichens. The first ten phyla are referred to as thallophytes. They are simple plants without roots stems or leaves.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.

Answer 2

Answer:

First, they were classified on the basis of habitat. Then, we understood that this type of classification was not accurate at all.

Hence, we switched to the famous and widely accepted classification; the WHITTAKERS FIVE KINGDOM CLASSIFICATION.

Here, Organisms are classified based on their mode of nutrition, genes, mode of reproduction, presence of vertebral column, environmental conditions in which they survive etc..

Explanation: