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.
But Darwin wasn't the first or only scientist to develop a theory of evolution. The French biologist Jean-Baptiste Lamarck came up with the idea that an organism could pass on traits to its offspring, though he was wrong about some of the details. And around the same time as Darwin, British biologist Alfred Russel Wallace independently came up with the theory of evolution by natural selection.