Question: Development

Answer: the science of human development seeks to understand how and why people of all ages and circumstances change or remain the same over time.

Question: Nature

Answer: the traits, capacities, and limitations that each individual inherits genetically from his or her parents at the moment of conception

Question: Nurture

Answer: environmental influences that affect development after an individual is conceived

Question: Epigenetics

Answer: study of the many ways environment alters genetic expression

Question: differential susceptibility

Answer: Sensitivity to any particular experience differs from one person to another because of the particular genes each person has inherited, or what happened to that person years earlier.