Origin of Amphibia || Bsc notes

Origin of Amphibia full explained in Hindi by Muskan perween with suitable diagrams. Transition from land to water Fishes to amphibians Time of origin - Devonian period Age of Amphibia - Carboniferous period Crossopterygian ancestry Labyrinthodontia are early amphibian ancestor Adaptation of their ancestors Causes of origin of Amphibia Sufficient notes for all the biology students and zoology degree students. Best of luck for all of you👍 Thank you Keep supporting😊 Other related topics:- Parental care in Amphibia    • Parental care in Amphibia||bsc   Amphibia characters and classification    • Class Amphibia- Characters and classification   vertebrates and all chordates :-    • Vertebrates   #zoology #biology #amphibia #bsc #isc #notes #ku #hindi #biologytutorial #origin #chordata #labyrinth #frog #amphibians #educationalvideo