TLS Online TPP Program

#Question id: 4613


The questions below refer to the following evolutionary tree, in which the horizontal axis represents time (present time is on the far right) and the vertical axis represents morphological change.  Which species is most closely related to species W?

#XL - S Microbiology
  1. V is most closely related to species W.

  2. X is most closely related to species W.

  3. Y and Z are equally closely related to W.

  4. It is not possible to say from this tree.