Use PENCIL ONLY ON THE SCANTRON. answers on your davk A to G are pocket mice-USE

Question

Use PENCIL ONLY ON THE SCANTRON. answers on your davk A to G are pocket mice-USE THE ABOVE CLADOGRAM FOR QUESTIONS 18. In the pocket mice, where did dark fur evolve (parsimoniously)? a) b) in the ancestor of the clade in the individual taxa C, D, and E between Sand U, and between S and E between Rand S between P and Q, but it was later lost between Q and V e) 19. What is the sister taxon to the group A+B? a) C b) C D C+D+E C+D+E+F+G 20. Which of these groups is monophyletic? a A, B, C and E bB, C and D D and E F and G and G 21. For the pocket mice, which fur colors are derived a) white fur b) dark fur c) striped fur d) white and dark fur e) dark and striped fur

Explanation / Answer

1) Between R and S - The dark fur should have evolved between R and S because all three C, D and E mice have dark fur.

2) C+D+E - C, D and E are the mice that belong to the sister taxon of A and B mice taxon.

3) F and G - Out of the available options F and G is the only monophyletic group with a single common ancestor. All the other options are polyphyletic with multiple ancestors.

4) Dark and striped fur - dark and striped are two characters that set their respective lineages apart from other mice.

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