Endosymbiotic theory

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