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| 1. |
Explain with the help of example 1) homologous organs 2) analogous organs |
| Answer» Homologous organs :\tSimilar structure , different function\tDevelopmental origin is same\tDivergent evolutionExample :\tFlipper - whale\tWing - bat\tFore limb -horse\tPaw - cat\tHand - human\tThorn - bougainvillaea\tTendril - cucurbitaAnalogous organ :\tSame function , different structure\tConvergent evolution\tNot anatomically similarExample :\tWings of a butterfly and wings of a bird.\tFlippers of penguin and dolphin\tEye of an octopus and a mammal ( both differ in retinal position but function is same )\tSweet potato( root modification) and potato ( stem modification) - both help in storage of food. | |