Micro Organisms
Which of the following best represents the hierarchy of levels of biological classification?

Kingdom, phylum, class, order, family, genus, species
Class, order, kingdom, phylum, family, genus, species
Phylum, kingdom, class, order, genus, species, family
Kingdom, phylum, family, class, order, genus, species

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Micro Organisms
The unifying feature of the archaea that distinguishes them from the bacteria is

habitats which are extreme environments with regard to acidity
cytoplasmic ribosomes that are 70S
presence of a cell wall containing a characteristic outer membrane
absence of a nuclear membrane temperature

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