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

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

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Micro Organisms
Eukaryotic cell organelles first emerged

when bacteria made their first attempts at reproduction
just before the origin of the animal and fungal kingdoms
when prokaryotes engulfed each other and became interdependent
from a specialized lineage of cells within the kingdom Protista

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