Final answer:
Developmental anatomy is truly concerned with the study of changes in an organism's body over time, focusing on structural changes from conception to maturity.
Step-by-step explanation:
The statement that developmental anatomy refers to the study of body changes over time is true. Developmental anatomy involves understanding how the structure and form of an organism changes throughout its lifespan, including processes such as differentiation, growth, and repair. Essentially, it examines the alterations in size, form, and structural complexity from the starting point of a special cell to the organism's maturity and eventual decline.
Anatomists may approach this study through regional anatomy, focusing on the interrelationships of structures within a specific body area, or through systemic anatomy, observing how different body systems function together. The study encompasses not just physical developments but also the ways in which these changes impact functioning and potentially other parts of the body, as in the interconnectedness of bone tissue and overall body processes.