Hello, my daughter is of 2 years. I want to know that eating nails of hand and foot or biting or beating others or to self, Is this a normal toddler behaviour or is it some deficiency. please suggest

A. Biting is a typical behavior often seen in infants, toddlers, and 2-year olds. As children mature, gain self-control, and develop problem-solving skills, they usually outgrow this behavior. While not uncommon, biting can be an upsetting and potentially harmful behavior.