The river has achieved lasting fame as the main watercourse of the city of Rome, founded on its eastern banks. The river rises at Mount Fumaiolo in central Italy and flows in a generally southerly direction past Perugia and Rome to meet the sea at Ostia.
Urie Bronfenbrenner, an American psychologist, developed the Ecological Systems Theory in order to further discuss and explain child development. Bronfenbrennerâs theory explains that there are certain cultural and social factors within a childâs immediate environment that influences the childâs development and experience.
The theory of evolution by natural selection that was developed by Charles Darwin revolutionized the study of living things. In his Origin of Species (1859) he provided a scientific explanation of how the diverse species of plants and animals have descended over time from common ancestors.