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On which basis is Monera divided into Eubacteria and Archaebacteria ?
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On which basis is Monera divided into Eubacteria and Archaebacteria ?
Under the three-domain system of taxonomy, introduced by Carl Woese in 1977, which reflects the evolutionary history of life, the organisms found in kingdom Monera have been divided into two domains, Archaea and Bacteria (with Eukarya as the third domain).
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On which basis is Monera divided into Eubacteria and Archaebacteria ?
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On which basis is Monera divided into Eubacteria and Archaebacteria ?
Classification of Monera: Eubacteria and Archaebacteria
Monera is a kingdom that comprises prokaryotic organisms, which are single-celled and lack a true nucleus. The division of Monera into Eubacteria and Archaebacteria is based on several fundamental differences.
1. Cell Structure
2. Genetic Material
3. Habitat and Ecology
4. Metabolic Pathways
These distinctions highlight the evolutionary divergence and ecological roles of Eubacteria and Archaebacteria within the kingdom Monera.
Monera is a kingdom that comprises prokaryotic organisms, which are single-celled and lack a true nucleus. The division of Monera into Eubacteria and Archaebacteria is based on several fundamental differences.
1. Cell Structure
- Eubacteria: These are characterized by a rigid cell wall made of peptidoglycan, which provides structural support.
- Archaebacteria: Their cell walls do not contain peptidoglycan. Instead, they are composed of unique lipids and polysaccharides, which contribute to their resilience in extreme environments.
2. Genetic Material
- Eubacteria: Typically possess circular DNA, similar to that of Archaebacteria, but their gene sequences and organization are more closely related to eukaryotes.
- Archaebacteria: Have distinct genetic sequences and mechanisms for gene expression that are more similar to eukaryotes than to Eubacteria.
3. Habitat and Ecology
- Eubacteria: Found in a variety of environments, including soil, water, and the human gut. They play crucial roles in nutrient cycling and decomposition.
- Archaebacteria: Often inhabit extreme environments, such as hot springs, salt lakes, and anaerobic conditions, showcasing their ability to thrive in harsh conditions.
4. Metabolic Pathways
- Eubacteria: Exhibit diverse metabolic pathways, including photosynthesis and nitrogen fixation.
- Archaebacteria: Utilize unique metabolic processes, such as methanogenesis, which are not found in Eubacteria.
These distinctions highlight the evolutionary divergence and ecological roles of Eubacteria and Archaebacteria within the kingdom Monera.
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On which basis is Monera divided into Eubacteria and Archaebacteria ?
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On which basis is Monera divided into Eubacteria and Archaebacteria ? for Class 9 2024 is part of Class 9 preparation. The Question and answers have been prepared according to the Class 9 exam syllabus. Information about On which basis is Monera divided into Eubacteria and Archaebacteria ? covers all topics & solutions for Class 9 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for On which basis is Monera divided into Eubacteria and Archaebacteria ?.
On which basis is Monera divided into Eubacteria and Archaebacteria ? for Class 9 2024 is part of Class 9 preparation. The Question and answers have been prepared according to the Class 9 exam syllabus. Information about On which basis is Monera divided into Eubacteria and Archaebacteria ? covers all topics & solutions for Class 9 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for On which basis is Monera divided into Eubacteria and Archaebacteria ?.
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