Please answer the following question: Answer the following question given this paragraph: Amphibian skin contains keratin, a protein that is also found in the outer covering of most other four-legged vertebrates. The keratin in amphibians is not too tough to allow gases and water to pass through their skin. Most amphibians breathe with gills as larvae and with lungs as adults. However, extra oxygen is absorbed through the skin. Q: Most amphibians breathe with these as larvae? Choices: - nostrils - lungs - pores - gills A:
Answer:
gills