D. fingernails
Skin, hair, and vertebrae are all the outer layer of the body and protect the body. The fingernails aren't part of that.
the answer is epipelagic zone
One of their ideas was cloning
Hope I helped! ( Smiles )
Having the occasional alcoholic drink is unlikely to affect your fertility. But heavy drinking and smoking can reduce sperm quality, lower testosterone production, and make it harder to achieve an erection. It can also lead to liver damage, which affects both your general and reproductive health
From the food they intake in different ways such as Plants or other animals such as insects which are their fuel
