To assess what kind of heterochronic changes have occurred in a lineage, one compares developmental patterns of the desc

[answerhappygod]

To assess what kind of heterochronic changes have occurred in a
lineage, one compares developmental patterns of the descendant to
those of the ancestor. In that comparison
A. One must refer to fossils.
B.The ancestor is assumed to be part of the outgroup.
C.The ancestor is considered to have the plesiomorphic
condition.
D.Gene duplication must be ruled out as an explanation.
E.Anagenesis must be ruled outed as an explanation.