HELP- biology question

Biology
Tutor: None Selected Time limit: 1 Day

Why did the kingdom (Monera, Animalia, Protista, Fungi, Plantae) switch to the 3 domains ( Archaebacteria, Eubacteria, Eukarya)? How does this make more sense than to use the old system of life?

Aug 5th, 2015

Thank you for the opportunity to help you with your question!

The 5 kingdom system used cell morphology to classify which was not so acurate, The 3 Domain system uses S r RNA gene to differentiate organisms. This is important in suport of a similar origin and changes emanating at change at gene level.

   It makes more sense as each of the three cells tends to fit into reccuring specialities and role,e.g bacteria tend to be the most prolific producer.

Please let me know if you need any clarification. I'm always happy to answer your questions.
Aug 5th, 2015

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