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.