Question

which organisms are called primitive and how are they different from the so-called advanced organism

Answer 1

Aprimitive org. is the org. which exhibits simple body stirructure primitive do not change their body design so easily as advanced org. Prokaryotic considered as primitive while eukaryotic considered as advanced.

Answer 2

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A primitive organism or lower 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.

An advanced organism or higher organism has a complex body structure and organization.

For example, an Amoeba is more primitive as compared to a starfish. Amoeba has a simple body structure and primitive features as compared to a starfish.

Hence, an Amoeba is considered more primitive than a starfish.

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