Homologous structures are
A)structures of animals that appear to have evolved from different parts of their bodies.
B)structures of animals that have different appearances and functions but seem to have evolved from the same body part in a common ancestor.
C)structures of animals that have the same appearances and functions but obviously no common ancestor.
D)structures of animals that have different appearances and functions but different ancestors.

Question

Quizplus · Accepted Answer

Homologous structures are structures in different species that are similar because of common ancestry but may have different functions. These structures are believed to have evolved from a common ancestor with modifications. Therefore, option B is the correct answer as it describes structures that have different appearances and functions but appear to have evolved from the same body part in a common ancestor.

Homologous Structures Are