Explain the terms analogous and homologous organs with examples.

Analogous organs : The organs which have similar functions but are different in anatomical structures are called analogous organs. Examples of analogous organs are as follows: Wings of an insect and bird. Pectoral fins of shark and flippers of dolphin. Eyes of mammal and octopus. Homologous organs : The organs which have the anatomically same structure but are different in functions are called homologous organs. Examples of homologous organs are as follows: Mouth parts of cockroach, honey bee, butterfly. Forelimb of man, whale, bat, cheetah. Thorns of Bougainvillea and tendril of Curcurbita.