Which organisms are called primitive and how are they different from so-called advanced organisms ?

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DIVERSITY IN LIVING ORGANISMS

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Which organisms are called primitive and how are they different from the so-called advanced organisms ?

Option A

Option B

Option C

Option D

Solution

A primitive organism is the one which has a simple body structure and ancient body design or features that have not changed much over a period of time.As per the body design, the primitve organisms which hav simple structures are different from those so-called advanced organisms which have complex body structure and organization.

Standard 9

Science