Two of the key developmental questions that scholars have addressed include how nature differs from nurture, this is explained by how the surrounding environment influences our genetics . The second problem is that continuity is different from discontinuity. Continuity is a fluid process that is not interrupted unlike discontinuity. Biophysical structure includes biological forces that are genetic. Chromosomes are made up of structures within cells, and cells contain strands of genes. Genes produce everything the body needs. Children's heredity is influenced by the environment they grow up in because a child may be born naturally confident and the environment may eventually cause them to become insecure. Temperament is personality and includes traits of easy, difficult or slow. These traits can change as a child grows depending on how the parent approaches each aspect. By the age of nine months a baby should be able to express all basic emotions. They can show fear, happiness and even sadness. The complex movement is the ability to show guilt or pride that develops in a child around him....