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

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

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Micro Organisms
Eukaryotic cell organelles first emerged

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

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