Question

Which among the archaebacterium or bacteria came first?

Answer 1

The bacteria had earlier existence when compared to archaebacterium as explained below:

1. Bacteria consists of single RNA.
2. It can perform autotropism, respiration, photosynthesis, or fermentation.
3. Archaebacterium consists of three RNA.
4. It perform methanogenesis.
5. Archaea (Archaebacteria) first arose when environmental conditions were very heterogeneous, and this is why archaebacteria can live in extreme environmental conditions such as extremely high temperatures, high salt content, and marshy areas.
6. Eubacteria came later when the situation gradually became favorable.
7. At present, nothing conclusive can be said about this question.