25+ Comparative Anatomy Analogous Structures. Comparative anatomy is the study of the similarities and differences in the structures of different species. Comparative anatomy provides two types of the relationship among structures, which are the homologous structures and the analogous structures.
Homologous organs are those that are similar in their internal structure , but that perform different functions depending on the species.
Vestigial structures <ul><li>dogs & humans have a similar set of muscles attached to their ears. @ comparative anatomy @ is a study of the differences and similarities in the anatomy of two species. Gradualism vs, punctuated equilibrium13 earth & atmosphere formed: We can see clues to analogy (nonhomology) in anatomy — analogous structures are sometimes built of different parts.