Answer:
a) heredity, birth order, parents, and the cultural environment
Step-by-step explanation:
People with higher levels of testosterone tend to be more aggressive, and this may be due to their genetic makeup, which determines their hormone levels. The social status a person holds in society is defined by their birth order, which has an affect on them. Parents would affect personality and behavior through the knowledge and principles that they transfer to the children and cultural environment would effect them by influencing the standard behaviors that thought to be 'normal' in that culture.