Answer
Along any lineage, the locations of derived characters show the order in which the characteristics arose in that lineage. For example, the cladogram in figure 18-9 shows that trait of floor limbs appeared before the traits of hair.
Work Step by Step
Along any lineage, the locations of derived characters show the order in which the characteristics arose in that lineage. For example, the cladogram in figure 18-9 shows that trait of floor limbs appeared before the traits of hair.
