which of the following describes how homologous structures provide evidence to support that life changes over time?
A) Some animals exhibit similar structures, possibly due to a common ancestor
B) Some animals exhibit similar stages of embryonic development
C) Some animals exhibit structures that are no longer used for any purpose
D) Some fossils exhibit similar biological proteins
The answer would be A. Homologous structures is when different types of organism have structures that seem to have a same structure or function due to having common ancestors.
