Understanding Evolutionary Trees

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Here’s the list:

  1. Higher and lower

  2. Main line and side tracks

  3. Reading across the tips

  4. Similarity vs. relatedness

  5. Sibling vs. ancestor

  6. Long branch implies no change or Less diverse equals basal equals ancestral

  7. Different lineage ages for modern species

  8. Backwards time axes

  9. More intervening nodes equals more distantly related

  10. Change only at nodes

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