Answer: Genes,environment
Explanation:
Gene is defined as biologically heredity unit that gets transmitted from parent to the offspring.It imparts some characteristics and traits of the parent in the child or offspring.This is a natural process of functionality.
According to the question, Theresa is named as natural athlete because she has gained sporty and athletic quality from her parents.She has a impactful environment as her room contains basketball element,soccer ball and other sporty things.
This influences her skills and ability in the field of sports and makes her to indulge in athletic activities.