The correct answer to the question is:
Professionals who study and make predictions about human populations are called demographers.
Explanation:
1. Demographers are professionals who specialize in the study of human populations, including their size, structure, and distribution.
2. They analyze factors such as birth rates, death rates, migration patterns, and age demographics to understand population trends and make predictions about future population changes.
3. By examining these factors, demographers can help governments, organizations, and policymakers make informed decisions related to healthcare, education, employment, and social services.
4. Studying human populations is crucial for understanding societal changes, planning for the future, and addressing various challenges related to population growth and distribution.