Endosymbiotic theory

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Across
  1. 2. word for together
  2. 4. single-celled organisms that are earliest and most primary evidence of Endosymbiotic Theory
  3. 7. True or False? Mitochondria and cloroplasts have ther own RNA
  4. 8. scientist who proposed the Endosymbiotic Theory
Down
  1. 1. Margulis' original hypothesis proposed that aerobic bacteria(that require oxygen)wereingested by anaerobic bacteria(poisoned by oxygen)
  2. 3. mitochondria and chloroplasts contain their own ________
  3. 4. scientics who study fossils
  4. 5. True or False? The Endosymbiotic THeory was intorduced in the late 1960's
  5. 6. Appeared in fossil records about 1.8 million years ago
  6. 7. are the preserved remains or traces of animals, plants, and other organisms from the remote past.