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  2. Ebio 124: introduction to ecology
  3. Unit 4. evolutionary processes
  4. Phylogenies and the history of
  5. Perspectives on the phylogenetic

3.3 Perspectives on the phylogenetic tree  (Page 8/19)

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8 / 19  What does the trunk of the classic phylogenetic tree represent?
A  single common ancestor
B  pool of ancestral organisms
C  new species
D  old species
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Practice MCQ 4 FlashCards 2 Key Terms 8

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Source:  OpenStax, Ebio 124: introduction to ecology & Evolutionary biology. OpenStax CNX. Jul 09, 2015 Download for free at https://legacy.cnx.org/content/col11696/1.3
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