Which organisms are called primitive and how are they different from the so-called advanced organisms ?
Which organisms are called primitive and how are they different from the so-called advanced organisms ?
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.
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$(a)$ The place where they live.
$(b)$ The kind of cells they are made of. Why ?
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$(b)$ The kind of cells they are made of. Why ?
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