Question

Which structure is absent in amphians ?1 chambered heart 2 gills or lungs 3 mucous glands 4 scales?

Answer 1

HERE IS YOUR ANSWER.

4. SCALES ARE ABSENT IN MAMMALS.

Answer 2

hey dude here is ur ans

4 chamberd heart is absent in them they have 3 chamberd heart☆▪▪▪▪▪☆☆☆☆☆▪


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