Answer :
Answer: a. metamorphic.
Explanation: During the metamorphic stage, the amphibians change from larvae into a full-grown adult. In this stage, the amphibians develop lungs and they have both lungs and gills until the gills disappear.
Answer: a. metamorphic.
Explanation: During the metamorphic stage, the amphibians change from larvae into a full-grown adult. In this stage, the amphibians develop lungs and they have both lungs and gills until the gills disappear.