Archaea and bacteria both have flagella, thread-like structures that allows organisms to help them move forward through their environment.
Three broad branches into which life on earth is divided, those are Eukarya, Archaea and Bacteria. Archaea and bacteria were considered as the part of same taxonomic kingdom as both were considered prokaryotic organisms with no nucleus.
Through research scientist discovered that archaea has prominent molecular differences from bacteria. Genetic inspection also revealed that Archaea and Eukarya have a closer phylogenetic relationship to one another than to Bacteria.
Archaea and Bacteria both being prokaryotes , they don't have a nucleus and lack membrane-bound organelles. They are tiny and single-cell organisms and they exist as rods, cones, plates and coil.
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