The fundamental division of forms of life on Earth is not that between plants and animals, as is commonly assumed, but between prokaryotes-organisms composed of cells with no nucleus, that is, bacteria-and eukaryotes-all other life forms. (Lynn Margulis)

The fundamental division of forms of life on Earth is not that between plants and animals, as is commonly assumed, but between prokaryotes-organisms composed of cells with no nucleus, that is, bacteria-and eukaryotes-all other life forms.

Lynn Margulis

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earth fundamental nucleus

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