In a year, a population of lions had four births, two deaths from disease, one natural death, five emigrations, and five immigrations. In the same year, a population of zebras had five births, three deaths, four emigrations, and one immigration. Which best explains the data? Zebras and lions are both experiencing a negative population growth. Zebras and lions are both experiencing a positive population growth. The zebras have a higher population growth than the lions have. The zebras have a lower population growth than the lions have.