How did the development of Margulis' theory aid in our understanding of how complex organisms came into existence

Biology Today and Tomorrow without Physiology (MindTap Course List)
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Author:Cecie Starr, Christine Evers, Lisa Starr
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Chapter13: Early Life Forms And The Viruses
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How did the development of Margulis' theory aid in our understanding of how complex organisms came into existence

In 1967, Lynn Margulis developed the endosymbiotic theory. As seen in the diagram below, the
endosymbiotic theory describes how over thousands of years, free-living prokaryotes
formed living communities inside larger ancestral prokaryotic cells. Today, we identify those
early free-living prokaryotes as the mitochondria, chloroplasts, and possibly other organelles.
Endosymbiotie Theory
How did the development of Margulis' theory aid in our understanding of how complex
organisms came into existence?
A. It provided an explanation as to why prokaryotic cells do not have a nucleus.
B. It provides an explanation as to why bacteria and mitochondria are similar in size.
C. It provides an explanation of how life today could have originated from a single cell.
D. It provides an explanation of how prokaryotic and eukaryotic cells use oxygen to work.
Transcribed Image Text:In 1967, Lynn Margulis developed the endosymbiotic theory. As seen in the diagram below, the endosymbiotic theory describes how over thousands of years, free-living prokaryotes formed living communities inside larger ancestral prokaryotic cells. Today, we identify those early free-living prokaryotes as the mitochondria, chloroplasts, and possibly other organelles. Endosymbiotie Theory How did the development of Margulis' theory aid in our understanding of how complex organisms came into existence? A. It provided an explanation as to why prokaryotic cells do not have a nucleus. B. It provides an explanation as to why bacteria and mitochondria are similar in size. C. It provides an explanation of how life today could have originated from a single cell. D. It provides an explanation of how prokaryotic and eukaryotic cells use oxygen to work.
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