Which of the following statements about reptiles is true?
Answer: Reptile skin is made watertight by a layer of scales made of keratin.
Which of the following statements about reptiles is true?
Answer: Reptile skin is made watertight by a layer of scales made of keratin.
If the answers is incorrect or not given, you can answer the above question in the comment box. If the answers is incorrect or not given, you can answer the above question in the comment box.