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Which organisms are called primitive and how are they different from so-called advanced organism’s? |
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Answer» The organisms having characteristics that came into existence earlier are referred to as “primitive” and the organisms having the characteristic that has come into existence, later on, are called “advanced”. For example, unicellular prokaryotic bacteria are primitive and multicellular, eukaryotic, mammalian are advanced. Likewise, algae are primitive plants and angiosperms are advanced plants. Fishes are primitive vertebrates and birds are advanced vertebrates. |
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