Micro Organisms
Genetic and biochemical similarities between contemporary cyanobacteria and eukaryotic chloroplasts are accepted to mean that

oxygenic photosynthesis first evolved in eukaryotes
eukaryotes evolved from bacteria
eukaryotes evolved from archaea
cyanobacteria arose from chloroplasts which escaped from plant cells

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

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

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