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Match the following {:(A.,"Amphibia",(...

Match the following
`{:(A.,"Amphibia",(i),"Air bladder",),(B.,"Mammals",(ii),"Cartilaginous notochord",),(C.,"Chondrichthyes",(iii),"Mammary glands",),(D.,"Osteichthyes",(iv),"Pneumatic bones",),(E.,"Cyclostomata",(v),"Dual habitat",),(F.,"aves",(vi),"Sucking and circular mouth with out jaws".,):}`

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A. `to` (v) B. `to` (iii) C. `to` (ii) D. `to` (i) E. `to` (vi) F. `to` (iv)
A. Amphibians possess dual habital, i.e., they are found in both aquatic and terrestrial habitat. Their larva is completely aquatic and adult lives in terrestrial as well as in aquatic habitat
B. Mammals have mammary glands which produce milk and feed their young ones. The mammary glands are enlarged exocrine modified sweet glands functional in female mammals.
C. Chondrichthyes have the cartilaginous rod (notochord) in the young stage which is gradually replaced by cartilage.
D. Osteichthyes have air bladder which is a vesicle or sac containing air,
E. Cyclostomes possess sucking and circular mouth without jaws which is surroundes by tentacles and the togue bears teeth. e.g., lamprey and nagfish.
F. Aves have light weighted bones with internal spacialised air sacs. These are the adaptations which enable birds to fly.
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