Systematics And The Phylogenetic Revolution Worksheet With Answer Key - Chapter 23 Page 12

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42. Consider the cladogram associated with the question. Which pair of species shares the greatest
number of derived characters (synapomorphies)?
A.
1 and 4
B.
3 and 4
C.
4 and 5
D.
2 and 4
E.
2 and 5
43. Consider the cladogram associated with the question. Based on this cladogram, which species has
the greatest number of ancestral character states?
A.
1
B.
2
C.
3
D.
4
E.
6
44. The table shows the distribution of traits (A-E) in six extant species (1-6). A "0" indicates the
ancestral condition; a "1" is the derived condition. Construct a cladogram from these data. Which
pair of species shares the greatest number of derived characters (synapomorphies)?
A.
1 and 3
B.
6 and 4
C.
6 and 5
D.
2 and 3
E.
6 and 3

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