Point out the mammalian characters (1)Diaphragm,four-chambered heart,lungs (2)Hairy skin,viviparity,feathers (3)Fins,gills,viviparity (4)Neural gland,gills,four-chambered heart
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2
Answer:
Answer is (1)
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Answered by
2
Answer:
Diaphragm, four-chambered heart, lungs.
Explanation:
In Second option Hairy skin, viviparity is present but Feathers are absent. except:-bat.
In third option gills are absent mammals.
In third option gills are absent in mammals.
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