Micro Organisms
Evolutionary relationships between groups of organisms are determined using which of the following type of information?

Comparisons of structural features
All of these
Comparisons of biochemical pathways
Comparisons of nucleotide sequences

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

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

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