Important Points For NEET Evidences from comparative morph | Gaurav Gupta sir
Important Points For NEET
Evidences from comparative morphology and anatomy :-
Examples of homologous organs:
(i) Forelimbs of mammals (ii) Thorn of Bougainvillea and tendril of Cucurbita both are modification of axillary bud. (iii)Vertebrate hearts or brains (iv)Mouth parts of insects : Cockroach Honey bee Mosquito (Biting & chewing) (Chewing & lapping) (Piercing & Sucking) (v) Testes in male and ovaries in female (vi) Potato and Ginger - both are modified shoot (vii) Radish and Carrot - both are modified roots
Examples of Analogous organs :
(i) Wings of butterfly and birds (ii) Eye of the octopus and of mammals (iii) Flippers of Penguins and Dolphins (iv) Sweet potato (root modification) and potato (stem modification) (v) Sting of bee and scorpion (vi) Chloragogen cells of earthworm and liver of vertebrates
