3. Humans are mammals, and mammals are defined by having a certain set of anatomical

homologies. Think about some familiar mammals. What are some homologous structures that are

shared by all mammals? List them.

Humans are mammals, and mammals are defined by having a certain set of anatomical homologies. Think about some familiar mammals. What are some homologous structures that are shared by all mammals? List them

Homologous structures are structures which originated from the same ancestor or origin but may perform different function. e. g the forelimbs of human, bat, cat, whale all has the similar ancestor or originated from the same source.

Structures such as humerus, phalanges, metacarpals, ulna, radius among others all originated from the source (ancestor).