Analogous structures Organisms having different structural patterns but similar function are termed as analogous structures. For example, the wings of birds and insects are different structurally but perform the same function of flight that brings about convergent evolution (Fig. . ).
Carpals Ulna Radius Humerus Forewing Hindwing Fig. . Comparison of insect and bird wing to show their analogy Other examples of analogous organs include the eyes of the Octopus and of by hard minerals and get fossilized, which are called casts. Hardened faecal matter termed as coprolites occur as tiny pellets.
Analysis of the coprolites enables us to understand the nature of diet the pre-historic animals thrived on. Visit any museum nearer to your school with your teacher and identify the bones of different animals including mammals. The famous Egmore Museum is in Chennai.